Note: This Question is unanswered, help us to find answer for this one
33. Enzymes have specific _____ that determine their function.
Answer
Correct Answer:
Shapes
Note: This Question is unanswered, help us to find answer for this one
34. In a dna double helix, _____________________.
Answer
Correct Answer:
The two DNA strands run antiparallel
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35. Facilitated diffusion would not usually be needed to move _______________________across a membrane?
Answer
Correct Answer:
Small, hydrophobic molecules
Note: This Question is unanswered, help us to find answer for this one
36. A bacterium running low on nadph could ________ to generate more of this coenzyme.
Answer
Correct Answer:
Invoke the pentose phosphate pathway
Note: This Question is unanswered, help us to find answer for this one
37. The 2n number for the cell depicted here is ________.
Answer
Correct Answer:
Two
Note: This Question is unanswered, help us to find answer for this one
38. If there is no flow of extraembryonic fluid over a mouse embryo, ___________.
Answer
Correct Answer:
The left-right asymmetry decision for the embryo is made at random
Note: This Question is unanswered, help us to find answer for this one
39. Microtubules have an inner diameter of ________ and an outer diameter of ________.
Answer
Correct Answer:
25 nm; 30 nm
Note: This Question is unanswered, help us to find answer for this one
40. Absorbance is _________________________ the concentration of molecules in a solution.
Answer
Correct Answer:
Molarity
Note: This Question is unanswered, help us to find answer for this one
41. Gene silencing is called __________.
Answer
Correct Answer:
Genomic imprinting
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42. Nuclear pores are organized with _______ symmetry
Answer
Correct Answer:
Eightfold
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43. Protein synthesis ___________ during exercise and ____________ after exercise.
Answer
Correct Answer:
Decreases, increases
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44. In plant cells, ______ may contain organic nutrients, pigments, and poisons.
Answer
Correct Answer:
Central vacuoles
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45. The ability to distinguish among 20004000 olfactory stimuli is called __________.
Answer
Correct Answer:
Olfactory discrimination
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46. A karyotype (a chromosome display) would be unable to determine ______.
Answer
Correct Answer:
Eye color
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47. Information coming into the central nervous system is transmitted along ________ neurons.
Answer
Correct Answer:
Afferent and sensory
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48. The ____________ phase is when most cell growth will occur; dna is unreplicated.
Answer
Correct Answer:
First gap (G1)
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49. The tca cycle enzymes are located in the _________ in bacterial and archaeal cells.
Answer
Correct Answer:
Cytoplasm
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50. Asexual reproduction _____. see concept 13.1 (page 255)
Answer
Correct Answer:
Produces offspring genetically identical to the parent
Note: This Question is unanswered, help us to find answer for this one
51. The _____ forms of the electron carriers nad+/nadh and fadh/fadh2 have high potential energy.
Answer
Correct Answer:
Reduced
Note: This Question is unanswered, help us to find answer for this one
52. Deamination is the removal of a(n) _____ group in proteins.
Answer
Correct Answer:
Amino
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53. The "proton pumps" indicated in the figure are physically associated with ______.
Answer
Correct Answer:
The electron transport chain
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54. The ordinary light microscope is called a bright-field microscope because _____.
Answer
Correct Answer:
The object appears dark on a light background
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55. Chemiosmosis uses __________ to supply the energy necessary to phosphorylate adp to atp.
Answer
Correct Answer:
A proton gradient
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56. Incoming photons of light energy initiate photosynthesis by _____.
Answer
Correct Answer:
Exciting electrons in pigment molecules within the photosystems, raising them to a higher energy level
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57. A generalized ____________ contains an antenna complex and a reaction center.
Answer
Correct Answer:
Photosystem
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58. We inhale o2 and we exhale co2. carbon dioxide is produced __________.
Answer
Correct Answer:
In the reaction that creates acetyl CoA (coenzyme A) from pyruvate
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59. The karyotype of a trisomic individual is symbolized as ____.
Answer
Correct Answer:
2n+1 - Trisomy indicates an extra copy of one chromosome.
Note: This Question is unanswered, help us to find answer for this one
60. Chromatin consists of ______.
Answer
Correct Answer:
DNA and protein
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61. During the absorptive state, metabolism favors energy storage and __________.
Answer
Correct Answer:
Anabolism
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62. A typical cell contains "powerhouses," which is another name for ____.
Answer
Correct Answer:
Mitochondria
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63. In conifers, male gametophytes are called _______ and are formed by the division of microspores.
Answer
Correct Answer:
Pollen
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64. During translation, uncharged trna molecules leave the ribosome from the _________ site.
Answer
Correct Answer:
E
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65. During the germinal period, the first task of the zygote's outer cells is _____.
Answer
Correct Answer:
Implantation
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66. During the final events of cellular respiration, oxygen combines with ________ to form ________.
Answer
Correct Answer:
Energy-depleted electrons and hydrogen ions
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67. During cellular respiration, energy is stored in the form of _______.
Answer
Correct Answer:
ATP
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68. During _____, the sister chromatids line up in the midplane of the cell.
Answer
Correct Answer:
Metaphase.
Note: This Question is unanswered, help us to find answer for this one
69. Cytokinesis typically occurs during the ______ stage of mitosis.
Answer
Correct Answer:
Anaphase
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70. The golgi apparatus packages materials into ________ for transport or export.
Answer
Correct Answer:
Vesicles
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71. Increasing the pressure above the beaker is analogous to _______.
Answer
Correct Answer:
An increase in blood pressure
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72. If a cell has accumulated dna damage, it is unlikely to _____.
Answer
Correct Answer:
Pass the G2 checkpoint
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73. Calcium ions could be described as "third messengers" because __________.
Answer
Correct Answer:
They are small cytosolic signal molecules whose activity is regulated first by a ligand and second by a second messenger, making them the third step in a cascade
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74. Anterograde movement of transition vesicles is from __________.
Answer
Correct Answer:
The rough ER to the cis Golgi
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75. All collagen family members consist of _____ chains arranged in a _______.
Answer
Correct Answer:
3, triple helix
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76. Mpf is a dimer consisting of _____.
Answer
Correct Answer:
Cyclin and a cyclin-dependent kinase
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77. Centrosomes are structures that contain ____________ oriented ____________ .
Answer
Correct Answer:
Centrioles perpendicularly
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78. Binding of calcium to calmodulin is a step in excitation-contraction coupling of ________ cells.
Answer
Correct Answer:
Smooth muscle
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79. Emerging viruses that infect human cells can originate from __________.
Answer
Correct Answer:
A virus spreading from one host species to humans
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80. The essential molecule __________ comprises over 60 percent of any living organism's cells.
Answer
Correct Answer:
Water
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81. Signals from the extracellular matrix to the cytoskeleton may be transmitted by _____.
Answer
Correct Answer:
Integrins
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82. Cancerous cells may continuously change their glycocalyx. this may result in ________.
Answer
Correct Answer:
The cancer cell avoiding destruction by keeping one step ahead of the immune system
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83. Green algae differ from land plants in that many green algae _____.
Answer
Correct Answer:
Are unicellular
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84. In leukemia, an overproduction of abnormal white blood cells can also mean __________.
Answer
Correct Answer:
Too few normal blood cells
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85. The cleavage of glycogen by glycogen phosphorylase releases _____
Answer
Correct Answer:
Glucose-1-phosphate
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86. When we say that an organism is haploid, we mean that __________.
Answer
Correct Answer:
Its cells each have one set of chromosomes.
Note: This Question is unanswered, help us to find answer for this one
87. The reaction a --> b + c + heat is released in a(n) _____ reaction.
Answer
Correct Answer:
Exergonic.
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88. The process of photosynthesis probably originated _____.
Answer
Correct Answer:
In prokaryotes
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89. The karyotype above shows ________.
Answer
Correct Answer:
Trisomy 21, a cause of downsyndrome
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90. The inheritance of wheat kernel color shown in figure 14.21 is an example of _____.
Answer
Correct Answer:
Polygenic inheritance
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91. The first electron acceptor of cellular respiration is ______.
Answer
Correct Answer:
Oxygen
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92. Sexual intercourse in humans ______.
Answer
Correct Answer:
Allows a haploid sperm cell to fertilize a haploid egg cell
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93. Movement of the chromosomes during anaphase would be most affected by a drug that prevents _____.
Answer
Correct Answer:
Prevents shortening of microtubules.
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94. Mitochondria and chloroplasts are thought to have been ______
Answer
Correct Answer:
Endosymbiosis
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95. Meiosis i produces _____ cells
Answer
Correct Answer:
Two, haploid.
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96. Crossing over during prophase i results in ________.
Answer
Correct Answer:
Genetic recombination.
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97. Carbon dioxide is split to form oxygen gas and carbon compounds _____.
Answer
Correct Answer:
In neither photosynthesis nor respiration
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98. Carbohydrates and fats are considered high-energy foods because they _____.
Answer
Correct Answer:
Have a lot of oxygen atoms.
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99. According to the induced fit hypothesis of enzyme catalysis, _____.
Answer
Correct Answer:
The binding of the substrate changes the shape of the enzyme's active site
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100. ________ cells in leaves are specialized for photosynthesis.
Answer
Correct Answer:
Mesophyll
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101. A ________ is a thin slice of brain used in histology.
Answer
Correct Answer:
Section
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102. During ketosis caused by inadequate ingestion of carbohydrates, ______.
Answer
Correct Answer:
The glycogen content of the liver is reduced
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103. The decline of mpf activity at the end of mitosis is due to _____.
Answer
Correct Answer:
The degradation of cyclin
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104. Both viruses and carcinogenic chemicals can cause tumors by __________.
Answer
Correct Answer:
Viruses and carcinogenic chemicals both cause tumors by interfering with the normal cellular controls over division and growth.
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105. A dendritic or langerhans cell is a specialized ________.
Answer
Correct Answer:
Phagocytic cell
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106. The color that we see when looking at a pigmented object is ______.
Answer
Correct Answer:
The wavelengths that are reflected or transmitted by the pigmented object
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107. The 23rd pair of chromosomes in males contains the __________- shaped chromosome.
Answer
Correct Answer:
XY
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108. Most nadh molecules generated during cellular respiration are produced during __________.
Answer
Correct Answer:
The citric acid cycle
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109. With the exception of gametes, a human cell contains _____ chromosomes.
Answer
Correct Answer:
46
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110. Unlike white blood cells, red blood cells lose their ________ and ________ as they mature.
Answer
Correct Answer:
Nucleus, organelles
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111. The _____ is composed of dna and protein.
Answer
Correct Answer:
Chromatin
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112. Stroma is the __________.
Answer
Correct Answer:
Both a and b
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113. Squamous cells are part of _____ tissue and are _____ shaped.
Answer
Correct Answer:
Epithelial; irregularly
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114. Sexual and asexual reproduction are alike in that __________.
Answer
Correct Answer:
They can both occur in multicellular organisms
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115. Rubisco is __________.
Answer
Correct Answer:
Is the most abundant protein in the world
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116. Ribosomes are a collection of ___________ that are needed for ____________.
Answer
Correct Answer:
Proteins and small RNAs; translation
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117. Proton pumps within the electron transport chain transport h+ ions __________.
Answer
Correct Answer:
Matrix to inter membrane space
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118. Proteins are synthesized from the ____-terminus to the ____-terminus.
Answer
Correct Answer:
Amino carboxy
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119. Plant hormones act by directly affecting the activities of _____.
Answer
Correct Answer:
Signal transduction pathways
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120. Plant hormonal regulation differs from animal hormonal regulation in that _____.
Answer
Correct Answer:
There are no dedicated hormone-producing organs in plants as there are in animals
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121. Photosynthesis is conducted in the ____ _.
Answer
Correct Answer:
Chloroplast
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122. Passive movement of a solute by a carrier protein is called __________.
Answer
Correct Answer:
Facilitated diffusion
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123. Oogenesis in females is similar to ________ in males.
Answer
Correct Answer:
Male spermatogenesis
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124. Most specialized cells remain in the _____ phase of the cell's life cycle.
Answer
Correct Answer:
G0
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125. Most potential energy captured from food molecules is stored as ___.
Answer
Correct Answer:
ATP
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126. Most enzymes are _____.
Answer
Correct Answer:
Proteins
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127. Molecules tend to move spontaneously ________ their chemical gradient.
Answer
Correct Answer:
Down
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128. Molecule a is a __________.
Answer
Correct Answer:
Phospholipid
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129. Mitochondria are found in _____.
Answer
Correct Answer:
Both plant cells and animal cells
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130. Meiosis starts with _____ cells and produces _____ gametes.
Answer
Correct Answer:
Diploid, haploid
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131. Meiosis produces ________ daughter cells.
Answer
Correct Answer:
Four haploid
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132. Meiosis ii and mitosis are similar in that _____________ are pulled apart in anaphase.
Answer
Correct Answer:
Sister chromatids
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133. Meiosis differs from mitosis in that _____ only occurs in meiosis.
Answer
Correct Answer:
Crossing over
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134. Meiosis and cytokinesis result in the formation of __________.
Answer
Correct Answer:
4 haploid cells
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135. Maturation of a lysosome occurs when __________.
Answer
Correct Answer:
Late endosomes acidify to activate the acid hydrolases
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136. Inducible enzymes __________.
Answer
Correct Answer:
Used for the breaking-down of things in the cell
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137. In the z-scheme ____ is the initial electron donor and ____ is the final electron acceptor
Answer
Correct Answer:
Water; NADP
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138. In the reaction glucose + fructose sucrose + water, _____ is a reactant and _____ is a product.
Answer
Correct Answer:
Glucose... water
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139. In the golgi complex, __________.
Answer
Correct Answer:
Side chains of glycoproteins are modified
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140. In the body, fat cells store ___________ as ______________.
Answer
Correct Answer:
Triglycerides; adipose tissue
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141. In mitotic metaphase, a cell with eight sister chromatids has _______ centromeres.
Answer
Correct Answer:
Four
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142. In meiosis, __________ of __________ cross over and form __________.
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143. Hydrolases are generally involved in ________ reactions.
Answer
Correct Answer:
Catabolic
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144. For the duration of meiosis i, each chromosome _____.
Answer
Correct Answer:
Consists of two sister chromatids joined by a centromere
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145. Energy released in an electron transport chain is derived from __________.
Answer
Correct Answer:
Oxidation-reduction reactions
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146. Each fadh2 from the krebs cycle enters the electron transport system and gives rise to _____ atps.
Answer
Correct Answer:
2
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147. During the synthesis of acetyl-coa from pyruvic acid, ________ is produced.
Answer
Correct Answer:
NADH
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148. During pyruvate processing, two carbons from pyruvate combine with ____.
Answer
Correct Answer:
Coenzyme A
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149. During prophase a homologous pair of chromosomes consists of _____.
Answer
Correct Answer:
Both a and b
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150. During oxidative phosphorylation, ____________ and fadh are oxidized to power atp production.
Answer
Correct Answer:
NADH
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151. During meiosis i, ____________ separate and move towards opposite ends of the poles.
Answer
Correct Answer:
Homologous chromosomes
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152. During cleavage, cell division is accompanied by a(n) ______________.
Answer
Correct Answer:
Decrease in cell size
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153. Dead or damaged cells are replaced by the process of ________.
Answer
Correct Answer:
Mitosis
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154. Cytokinesis typically begins during the ______ stage of mitosis.
Answer
Correct Answer:
Telophase
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155. Crossing over is important because it _____.
Answer
Correct Answer:
Allows the exchange of different versions of genes between homologous chromosomes
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156. Consider the figure below. __________ is to a mitochondrion as __________ is to a chloroplast.
Answer
Correct Answer:
O2 ... CO2
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157. Characteristics of meiosis include _____.
Answer
Correct Answer:
Four daughter cells produced when parent cell divides Different DNA in the daughter cell than in the parent cell
Note: This question has more than 1 correct answers
Note: This Question is unanswered, help us to find answer for this one
158. Cells use _____ to get energy only when carbohydrates are not available.
Answer
Correct Answer:
Lipids
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159. Cells become specialized through the process of _____.
Answer
Correct Answer:
Differentiation
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160. Carbon fixation involves the addition of carbon dioxide to _____.
Answer
Correct Answer:
RuBP
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161. Based on the figure above, when pyruvate is converted to acetyl coa it is ______.
Answer
Correct Answer:
Oxidized
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162. A substrate-level phosphorylation occurs in the citric acid cycle when _____.
Answer
Correct Answer:
Gdp is phosphorylated to produce gtp
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163. A cell with an extensive area of smooth endoplasmic reticulum is specialized to _____.
Answer
Correct Answer:
Synthesize large quantities of lipids
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164. A cell entering mitosis with 32 chromosomes will produce daughter cells with __________.
Answer
Correct Answer:
None of the listed responses is correct.
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165. ______ is the source of the oxygen gas released by a photosystem.
Answer
Correct Answer:
H2O
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166. _____ phase is the period during the life of a cell when it has finished mitotic division.
Answer
Correct Answer:
G0 phase
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167. While vegetative cells are metabolically _____, cells in the spore form are metabolically _____.
Answer
Correct Answer:
Active, inactive
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168. The term ____________ describes cellular respiration in the absence of ____________ .
Answer
Correct Answer:
Anaerobic; oxygen
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169. The structure of a biological membrane is best described by the _______ model.
Answer
Correct Answer:
Fluid Mosaic
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170. The plasma membrane is permeable to _________, but impermeable to ___________.
Answer
Correct Answer:
Nutrients; proteins
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171. The organic substance making up the cells of all living things is (are) _____.
Answer
Correct Answer:
Protoplasm
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172. The myosin filament is characterized as a(n) _________ filament.
Answer
Correct Answer:
Bipolar
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173. The mitotic spindle is a microtubular structure that is involved in _____.
Answer
Correct Answer:
Separation of Sister Chromatids
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174. The mitotic cell cycle results in the production of ________.
Answer
Correct Answer:
Two cells, each with the same amount of genetic material and the same genetic information
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175. The first step of bacterial replication is _____.
Answer
Correct Answer:
DNA replication
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176. The first gap in the cell cycle (g1) corresponds to _____.
Answer
Correct Answer:
Normal growth and cell function
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177. The extracellular matrix of animal cells ______.
Answer
Correct Answer:
Protect and support cells
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178. The diploid phase of the human life cycle begins with _____.
Answer
Correct Answer:
Fertilization.
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179. The chemiosmotic process in chloroplasts involves the _____.
Answer
Correct Answer:
Establishment of a proton gradient across the thylakoid membrane
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180. The chemical reactants on the left produce ________ on the right. adp + p + energy -> ____________
Answer
Correct Answer:
ATP
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181. The abo blood group is determined by __________ in the plasma membrane of rbcs.
Answer
Correct Answer:
Glycolipids
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182. The ________ of glycogen from many glucose molecules is an ________ reaction
Answer
Correct Answer:
Synthesis, endergonic
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183. The _______ is responsible for forming the outer, limiting barrier of a cell.
Answer
Correct Answer:
Plasma Membrane
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184. Synapsis is the side-by-side alignment of __________.
Answer
Correct Answer:
Homologous chromosomes
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185. Spores and gametes differ in that __________.
Answer
Correct Answer:
Gametes must fuse to form a zygote and continue development, but each spore can develop into an independent multicellular organisms on its own
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186. In aerobic respiration, nadh is oxidized at ____________, while fadh2 is oxidized at ____________.
Answer
Correct Answer:
Complex I; Complex II
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187. Glycolysis begins with a(n) ________ stage(s).
Answer
Correct Answer:
Energy-investment
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188. C4 plants occur more commonly in desert conditions because _____
Answer
Correct Answer:
They can fix carbon at the lower CO2 concentrations that develop when the stomata are closed
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189. At the end of _____ and cytokinesis there are four haploid cells.
Answer
Correct Answer:
Telophase II
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190. All of the following processes produce genetic variation among offspring except __________.
Answer
Correct Answer:
Segregation of sister chromatids during meiosis II
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191. A ____________ is a display of all of the chromosomes of an organism.
Answer
Correct Answer:
Karyotype
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192. Glucose and ____________ metabolism is crucial to the body.
Answer
Correct Answer:
Glycogen
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193. In a rosebush, chlorophyll is located in _____.
Answer
Correct Answer:
Thylakoids, which are in chloroplasts in the mesophyll cells of a leaf
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194. During mitosis, the chromosomes move because _____.
Answer
Correct Answer:
They attach to a dynamic, precisely regulated mitotic spindle
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195. The citric acid cycle is a cycle because the starting molecule, _____, is regenerated at the end.
Answer
Correct Answer:
Oxaloacetate
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196. The cell that does not have a cell wall is the _____.
Answer
Correct Answer:
Human cheek cell
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197. One of the compounds that is a direct output of the calvin cycle is ______.
Answer
Correct Answer:
G3P
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198. In photosynthesis, redox reactions ultimately transfer electrons from ________ to ________.
Answer
Correct Answer:
H2O... CO2
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199. Examine the figure below. nucleosomes are made of ________.
Answer
Correct Answer:
DNA and histone proteins.
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200. C4 plants conserve water by ______
Answer
Correct Answer:
Keeping their stomata closed when the weather is hot and dry
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201. Before photosynthesis evolved, ________ was rare in earth's atmosphere.
Answer
Correct Answer:
O2
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202. Spermiogenesis begins with a ________ and ends with a ________.
Answer
Correct Answer:
Spermatid, sperm
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203. The hypothesis that proton motive force drives atp synthesis is called the __________ hypothesis.
Answer
Correct Answer:
Chemiosmotic
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204. When the cyclin?cdk complex phosphorylates rb, the cell cycle progresses from _______ to _______.
Answer
Correct Answer:
G1 phase; S phase
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205. When proteins undergo deamination, the waste substance found in the urine is mostly ________.
Answer
Correct Answer:
Urea.
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206. After a period of prolonged fasting (starving), the brain changes its fuel requirements ________.
Answer
Correct Answer:
So that more ketone bodies and less glucose are used for fuel
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207. Many proto-oncogenes regulate ______.
Answer
Correct Answer:
Cell division
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208. The term binary fission is best applied to _____.
Answer
Correct Answer:
Prokaryotes
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209. The spindle apparatus disintegrates during _____.
Answer
Correct Answer:
Telophase of mitosis
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210. The movement of h+ through the atp synthase is best described as an example of ______.
Answer
Correct Answer:
Facilitated diffusion
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211. The carbon atoms in cellulose found in a log originally came from _____ absorbed by the plant.
Answer
Correct Answer:
Carbon dioxide
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212. The _____ chromosomes in a human cell from inside the cheek are found in the _____.
Answer
Correct Answer:
24 cytoplasm
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213. The _____ allows citizens to register to vote when applying for or renewing their driver's license.
Answer
Correct Answer:
46; nucleus
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214. Sperm are the only human cells to have _____.
Answer
Correct Answer:
Flagella
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215. Somatic cells in animals differ from gametes in that somatic cells __________.
Answer
Correct Answer:
Are all of the cells of the body except for the gametes and their precursors
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216. Sister chromatids are __________.
Answer
Correct Answer:
Are identical copies of each other formed through DNA synthesis
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217. Sharks are a type of ______.
Answer
Correct Answer:
Cartilaginous fish
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218. Plant cells ______.
Answer
Correct Answer:
Have chloroplasts and mitochondria
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219. Plant and animal cells both have _____.
Answer
Correct Answer:
All of these
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220. Nucleoli are present during _____.
Answer
Correct Answer:
Interphase
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221. Microrna (mirna) controls _____.
Answer
Correct Answer:
Translation
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222. Microfilaments are composed of ____________blank in ____________blank arrangement.
Answer
Correct Answer:
Repeating actin subunits; a thin double-helix
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223. Lungs are to breathing as _____ are to cellular respiration
Answer
Correct Answer:
Mitochondria
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224. Integrins are integral membrane proteins. they are often attached to _____.
Answer
Correct Answer:
Cytoskeletal proteins and proteins in the extracellular matrix
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225. In the equation shown below, during cellular respiration _____ is oxidized and _____ is reduced.
Answer
Correct Answer:
Glucose ... oxygen
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226. In photosynthesis, an h+ ion gradient forms across the ______.
Answer
Correct Answer:
Thylakoid membrane
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227. In muscle cells, fermentation produces _____.
Answer
Correct Answer:
Lactate and NAD+
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228. In meiosis ii, _____.
Answer
Correct Answer:
Typically produces four cells
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229. In anaphase i, __________.
Answer
Correct Answer:
Homologous chromosomes separate and migrate toward opposite poles, Homologous chromosomes do separate during anaphase I of meiosis.
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230. When the m phase begins during the cell cycle, it starts with _____.
Answer
Correct Answer:
Prophase
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231. The goal of _______ is to use cells and tissues to treat human illnesses or injuries
Answer
Correct Answer:
Therapeutic cloning
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232. Regulatory transcription factors _____.
Answer
Correct Answer:
All of the above
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233. The light-dependent reactions synthesize nadph and oxygen using _________ process(es).
Answer
Correct Answer:
Both A & B
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234. The reactions of fermentation function to produce _____ molecules for use in glycolysis.
Answer
Correct Answer:
NAD
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235. The light reactions of photosynthesis include __________.
Answer
Correct Answer:
Reduction of NADP+
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236. The light reactions harvest _______, while the carbon reactions produce _______.
Answer
Correct Answer:
Energy, carbohydrates
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237. The common pathway for the oxidation of glucose and fatty acids is ________.
Answer
Correct Answer:
The citric acid cycle
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238. Most of the co2 from the catabolism of glucose is released during _____.
Answer
Correct Answer:
The citric acid cycle
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239. If the interior of the thylakoid were not a sealed compartment ________.
Answer
Correct Answer:
The proton gradient could not be maintained
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240. Glucose is stored in plants as _____ and in animals as _____.
Answer
Correct Answer:
Starch; glycogen
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241. For each glucose that enters glycolysis, _____ acetyl coa enter the citric acid cycle.
Answer
Correct Answer:
2
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242. Energy is used as the cell converts ____________ to adp at the beginning of glycolysis.
Answer
Correct Answer:
ATP
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243. Each nadh that enters the electron transport system gives rise to _____ atp.
Answer
Correct Answer:
3
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244. During the metabolism of glucose, carbon dioxide (co2) is produced during the _______ reactions.
Answer
Correct Answer:
Aerobic
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245. Chlorophyll may be found in __________ of a prokaryotic cell.
Answer
Correct Answer:
Infoldings of the plasma membrane
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246. Bacteria typically have _______, whereas eukaryotes have _______.
Answer
Correct Answer:
One chromosome that is circular; many chromosomes that are linear
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247. Asexual reproduction _____. see concept 13.1
Answer
Correct Answer:
Produces offspring genetically identical to the parent
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248. Any molecule that serves as an electron acceptor will be __________.
Answer
Correct Answer:
Reduced
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249. All of the following are required for the generation of atp by chemiosmosis except __________.
Answer
Correct Answer:
Conversion of pyruvic acid to lactic acid.
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250. All of the following are potential end-products of fermentation except __________.
Answer
Correct Answer:
Pyruvic acid
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251. A molecule that functions as the electron donor in a redox reaction _____.
Answer
Correct Answer:
Loses electrons and loses energy
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252. A typical prokaryotic cell __________________ compared to a eukaryotic cell.
Answer
Correct Answer:
Is smaller in size by a factor of 100
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253. Cellular respiration does not produce _____.
Answer
Correct Answer:
ATP
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254. A cleavage furrow is _____
Answer
Correct Answer:
A groove in the plasma membrane between daughter nuclei
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255. Glycolysis occurs in almost all organisms on earth. from this we might conclude that __________.
Answer
Correct Answer:
Glycolysis evolved very early in ancestors that are common to all the domains of life.
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256. Glycolysis is a series of ___ reactions that occurs in the _____ of cells.
Answer
Correct Answer:
Ten; cytoplasm
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Correct Answer:
Picks up and delivers hydrogens to acceptor molecules
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444. In cellular respiration, ___ atp molecules must be input to initiate the process of glycolysis.
Answer
Correct Answer:
2
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445. A cell in late anaphase of mitosis will have _____.
Answer
Correct Answer:
No chromosomes in the center of the cell
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446. Sister chromatids separate from each other during _____.
Answer
Correct Answer:
Anaphase II
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447. The final electron acceptor associated with photosystem i is _____
Answer
Correct Answer:
NADP.
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448. The energy of wavelengths that appear ______ is least useful to photosynthesis.
Answer
Correct Answer:
Green
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449. Sry is best described as _____.
Answer
Correct Answer:
A gene region present on the Y chromosome that triggers male development
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450. The sigma subunit of bacterial rna polymerase ___________________.
Answer
Correct Answer:
Recognizes promoter sites in the DNA.
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451. Simple diffusion and facilitated diffusion both _______.
Answer
Correct Answer:
Move solutes with their concentration gradient
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452. The capability to inherit from more than one class is called ____ inheritance.
Answer
Correct Answer:
Dynamic method binding
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453. The calvin cycle makes direct use of ______ to make ______.
Answer
Correct Answer:
CO2, ATP, and NADPH . . . sugar
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454. The calvin cycle describes the conversion of ___.
Answer
Correct Answer:
Carbon dioxide to carbohydrates
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455. When does dna replication take place regarding meiosis? dna replication _____.
Answer
Correct Answer:
Occurs before meiosis 1 begins
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456. The atp made during fermentation is generated by _____.
Answer
Correct Answer:
Substrate-level phosphorylation
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457. Plasma is ____ while formed elements are ____.
Answer
Correct Answer:
The liquid portion of blood; the cells
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458. When atp is hydrolyzed into adp and inorganic phosphate, _____.
Answer
Correct Answer:
Free energy is released
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459. When an animal cell is placed in a hypotonic solution, _____.
Answer
Correct Answer:
Take on water
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460. When a molecule absorbs a photon, one of its electrons is raised to the ______ state.
Answer
Correct Answer:
Excited
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461. When we first see chiasmata under a microscope, we know that _____.
Answer
Correct Answer:
Prophase I is occurring
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462. When chloroplast pigments absorb light, __________.
Answer
Correct Answer:
Their electrons become excited
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463. The value of the _____ function at -2.99 is -2.
Answer
Correct Answer:
Chromatin
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464. The three catalytic sites of atp synthase ___________.
Answer
Correct Answer:
All of these
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465. Zygosporangia are _____.
Answer
Correct Answer:
Heterokaryotic
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466. Vacuoles are ______.
Answer
Correct Answer:
Membranous sacs
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467. This graph illustrates a(n) _____ reaction.
Answer
Correct Answer:
Endergonic
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468. This diagram of the human life cycle shows that ________.
Answer
Correct Answer:
Meiosis produces haploid sperm and egg cells
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469. Principles of ____ must be applied to break the cycle of infection.
Answer
Correct Answer:
Asepsis
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470. Genetic diversity requires __________.
Answer
Correct Answer:
Sexual reproduction, independent assortment, crossing over between nonsister chromatids of homologous chromosomes, and random fertilization
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471. The tca cycle is located in the ______________ of bacteria, and in the _____________ of eukaryotes.
