Note: This Question is unanswered, help us to find answer for this one
135. Most taste buds are made of __________ types of modified epithelial cells.
Answer
Correct Answer:
Two
Note: This Question is unanswered, help us to find answer for this one
136. Most cases of encephalitis _____.
Answer
Correct Answer:
Mild and require no specific treatment.
Note: This Question is unanswered, help us to find answer for this one
137. The order ___________ is responsible for vectoring trench fever.
Answer
Correct Answer:
Phthiraptera.
Note: This Question is unanswered, help us to find answer for this one
138. According to ernest hilgard, hypnosis is the result of __________.
Answer
Correct Answer:
The effects of a hidden observer in the unconscious
Note: This Question is unanswered, help us to find answer for this one
139. Foodborne illnesses typically result primarily in ________ signs and symptoms.
Answer
Correct Answer:
Gastrointestinal
Note: This Question is unanswered, help us to find answer for this one
140. Competitive athletes train at __________ of estimated maximal heart rate.
Answer
Correct Answer:
80-95%
Note: This Question is unanswered, help us to find answer for this one
141. Fluctuations in the phosphorus cycle in aquatic ecosystems _______.
Answer
Correct Answer:
Can lead to changes in the growth rates of aquatic populations
Note: This Question is unanswered, help us to find answer for this one
142. Climax communities __________________communities that are undergoing primary succession.
Answer
Correct Answer:
Are usually more rich in species biodiversity than
Note: This Question is unanswered, help us to find answer for this one
143. The teeming diversity of animals in the rain forest has led to _____.
Answer
Correct Answer:
Species specialization
Note: This Question is unanswered, help us to find answer for this one
144. Solid fats have a high proportion of _____.
Answer
Correct Answer:
Saturated fatty acids
Note: This Question is unanswered, help us to find answer for this one
145. Within eukaryotic cells, there is an intricate network of _______ with unique functions.
Answer
Correct Answer:
Organelles
Note: This Question is unanswered, help us to find answer for this one
146. Which of the following is a property of liquid water? liquid water _____.
Answer
Correct Answer:
Has a heat of vaporization that is higher than that for most other substances
Note: This Question is unanswered, help us to find answer for this one
147. Water currents along the coastline of chile pull up deep water that is __________.
Answer
Correct Answer:
Cold and high in nutrients
Note: This Question is unanswered, help us to find answer for this one
148. Various persons or groups with a legitimate interest in a company's actions are called ____.
Answer
Correct Answer:
Stakeholders
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149. Two features of ray-finned fish not found in sharks are _____.
Answer
Correct Answer:
A swim bladder and opercula
Note: This Question is unanswered, help us to find answer for this one
150. Turning off a respirator or a heart-lung machine is an example of _____ euthanasia.
Answer
Correct Answer:
Active
Note: This Question is unanswered, help us to find answer for this one
151. Tropical ocean waters are more saline than colder waters because tropical waters _____.
Answer
Correct Answer:
Evaporate more rapidly
Note: This Question is unanswered, help us to find answer for this one
152. Traffickers look for victims in vulnerable situations such as ________. select all that apply.
Answer
Correct Answer:
Politically unstable countries.
Note: This Question is unanswered, help us to find answer for this one
153. Together, sewage treatment and drinking water treatment are used to _____.
Answer
Correct Answer:
Reduce the risk of waterborne diseases
Note: This Question is unanswered, help us to find answer for this one
154. There are more species of ______ than of any other type of animal.
Answer
Correct Answer:
Arthropods
Note: This Question is unanswered, help us to find answer for this one
155. The source of most of the energy we use today is _____. fossil fuels geothermal nuclear biomass
Answer
Correct Answer:
Fossil fuels
Note: This Question is unanswered, help us to find answer for this one
156. The prefix ana- means _________; the opposite of ana- is _____.
Answer
Correct Answer:
Up or apart, cata-
Note: This Question is unanswered, help us to find answer for this one
157. The place within a replication bubble where replication is actually occurring is called a _____.
Answer
Correct Answer:
Replication fork.
Note: This Question is unanswered, help us to find answer for this one
158. The nuclear envelope disintegrates during _____. metaphase prophase anaphase telophase
Answer
Correct Answer:
Pho phase.
Note: This Question is unanswered, help us to find answer for this one
159. The lock-and-key analogy for enzymes applies to the specificity of enzymes _____.
Answer
Correct Answer:
Binding to their substrate
Note: This Question is unanswered, help us to find answer for this one
160. The aspect of hearing that declines most significantly in midlife is the ability to __________.
Answer
Correct Answer:
Hear high-pitched sounds
Note: This Question is unanswered, help us to find answer for this one
161. The animal rights movements in society evolved from ________.
Answer
Correct Answer:
Biocentric ethics
Note: This Question is unanswered, help us to find answer for this one
162. The amount of carbon removed by forests in the united states each year is equal to _______.
Answer
Correct Answer:
3390 semi-trucks full of carbon
Note: This Question is unanswered, help us to find answer for this one
163. The absorption of the majority of ingested nutrients takes place largely in the __________.
Answer
Correct Answer:
Small intestine
Note: This Question is unanswered, help us to find answer for this one
164. The pyelogram records information about the _____:
Answer
Correct Answer:
Kidney pelvis
Note: This Question is unanswered, help us to find answer for this one
165. The decision for a neuron to fire is determined by the ____.
Answer
Correct Answer:
ratio of EPSPs to IPSPs
Note: This Question is unanswered, help us to find answer for this one
166. The ___________________ propelled flowering plants to an explosive adaptive radiation.
Answer
Correct Answer:
Evolutionary innovation of the flower
Note: This Question is unanswered, help us to find answer for this one
167. The ____________ exhibit receipt and association of general body sensations.
Answer
Correct Answer:
Partietal lobes
Note: This Question is unanswered, help us to find answer for this one
168. The ___________ lies directly behind the _________. these two regions are "twins."
Answer
Correct Answer:
Somatosensory cortex; motor cortex
Note: This Question is unanswered, help us to find answer for this one
169. The __________ is the maximum drug effect, regardless of dose.
Answer
Correct Answer:
Plateau effect
Note: This Question is unanswered, help us to find answer for this one
170. The __________ creed signifies the belief in the father, the son, and the holy spirit.
Answer
Correct Answer:
Apostle's
Note: This Question is unanswered, help us to find answer for this one
171. The ___ method of anthropology is useful in many different work settings.
Answer
Correct Answer:
Observation.
Note: This Question is unanswered, help us to find answer for this one
172. Surveys indicate most adults in middle adulthood are afraid of having __________.
Answer
Correct Answer:
Cancer
Note: This Question is unanswered, help us to find answer for this one
173. Sound waves arriving at a listener first strike the _____.
Answer
Correct Answer:
Tympanic membrane
Note: This Question is unanswered, help us to find answer for this one
174. Some antibiotics interfere with bacterial ribosomes by _____ protein synthesis.
Answer
Correct Answer:
Interfering with bacterial
Note: This Question is unanswered, help us to find answer for this one
175. Sexual reproduction relies on ________ and cell growth and repair rely on _______.
Answer
Correct Answer:
Meiosis, Mitosis
Note: This Question is unanswered, help us to find answer for this one
176. Sedimentary rocks with ripple marks suggest that the rocks formed _____.
Answer
Correct Answer:
Along a beach or stream bed
Note: This Question is unanswered, help us to find answer for this one
177. Scientific experimentation is important in that it allows the experimenter to __________.
Answer
Correct Answer:
Reject some alternative hypotheses
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178. Savanna is considered a transitional biome because it is intermediate between two _______.
Answer
Correct Answer:
Biomes
Note: This Question is unanswered, help us to find answer for this one
179. Salinization increases the concentration of _______ in soil.
Answer
Correct Answer:
Salt
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180. Rods are to cones as _____ is (are) to _____.
Answer
Correct Answer:
Peripheral vision and night vision
Note: This Question is unanswered, help us to find answer for this one
181. Nodes of _____ are gaps in the _____ that coat some axons.
Answer
Correct Answer:
Ranvier; myelin
Note: This Question is unanswered, help us to find answer for this one
182. Negative feedback is a method of homeostatic control that __________.
Answer
Correct Answer:
Increases the speed and rapidity of negative responses to environmental stimuli
Note: This Question is unanswered, help us to find answer for this one
183. Natural selection drives changes in allele frequencies by influencing traits with a ____ basis.
Answer
Correct Answer:
Genetic
Note: This Question is unanswered, help us to find answer for this one
184. Much of the original forest cover on madagascar has been destroyed primarily as a result of _____.
Answer
Correct Answer:
Burning for agricultural purposes
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185. Most mutagens are carcinogens. this is because __________.
Answer
Correct Answer:
Both bring about cancer-causing DNA changes
Note: This Question is unanswered, help us to find answer for this one
186. Most _______ are secreted into the extracellular fluid from endocrine glands or tissues.
Answer
Correct Answer:
Hormones
Note: This Question is unanswered, help us to find answer for this one
187. Long before humans invented it to power aircraft, jet propulsion evolved in _____.
Answer
Correct Answer:
Cephalopod mollusks
Note: This Question is unanswered, help us to find answer for this one
188. Lack of body fluids is to thirst as ________ is to ________.
Answer
Correct Answer:
Need; drive
Note: This Question is unanswered, help us to find answer for this one
189. In a typical stream, where the gradient is steep, the discharge is _____.
Answer
Correct Answer:
Small
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190. In a municipal wastewater treatment plant, the primary treatment step includes ________.
Answer
Correct Answer:
Letting sewage sit in large settling tanks so suspended solids settle out
Note: This Question is unanswered, help us to find answer for this one
191. In a complete flower, a(n) _____is found on a filament and a(n) _______ is found on a(n) _______.
Answer
Correct Answer:
Anther; stigma; style
Note: This Question is unanswered, help us to find answer for this one
192. Images that fall on the optic __________ are not visible because this area lacks rods and cones.
Answer
Correct Answer:
Disk
Note: This Question is unanswered, help us to find answer for this one
193. If you randomly removed a somatic cell from the human body, odds are that it would ________.
Answer
Correct Answer:
Have 46 chromosomes
Note: This Question is unanswered, help us to find answer for this one
194. If the protein retinoblastoma is ________, it can bind to and ________ the myc protein.
Answer
Correct Answer:
Dephosphorylated ; inactivate
Note: This Question is unanswered, help us to find answer for this one
195. If the figure represents a marine food web, zooplankton are most likely ________.
Answer
Correct Answer:
C
Note: This Question is unanswered, help us to find answer for this one
196. Humans use more fresh water for ________ than for any other purpose.
Answer
Correct Answer:
Irrigating crops
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197. Humans are dependent on _______ for their food supply.
Answer
Correct Answer:
Biomass
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198. Hospital outpatient programs and methadone clinics would be examples of __________ prevention.
Answer
Correct Answer:
Tertiary
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199. Highway vehicles are responsible for ___% of the nox air emissions in the u.s.
Answer
Correct Answer:
38
Note: This Question is unanswered, help us to find answer for this one
200. High-fat foods stimulate the appetite mostly because they ____.
Answer
Correct Answer:
Are flavorful
Note: This Question is unanswered, help us to find answer for this one
201. Her nervousness had a profound ______ on her ability to play the piano. it _______ me too.
Answer
Correct Answer:
Affect / affected
Note: This Question is unanswered, help us to find answer for this one
202. Hearing organs are housed within the ___________ in the inner ear.
Answer
Correct Answer:
Cochlea
Note: This Question is unanswered, help us to find answer for this one
203. Habituation and sensitization differ depending upon whether ____.
Answer
Correct Answer:
The response grows weaker or stronger
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204. H.m. was able to learn and remember ____.
Answer
Correct Answer:
Skills like mazes and puzzles
Note: This Question is unanswered, help us to find answer for this one
205. Gold is opaque and reflective. it has a _____.
Answer
Correct Answer:
Metallic luster
Note: This Question is unanswered, help us to find answer for this one
206. Contraceptive pills mimic the ___________ feedback effect of ___________.
Answer
Correct Answer:
Negative; and estrogens progesterone
Note: This Question is unanswered, help us to find answer for this one
207. Characters traits can be discovered by analyzing __________.
Answer
Correct Answer:
Characterization
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208. Cells were first identified as robert hooke observed _____.
Answer
Correct Answer:
Cork
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209. Cells having matched pairs of chromosomes are _____.
Answer
Correct Answer:
Diploid
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210. Bed-wetting is most likely to occur at the end of ________ sleep.
Answer
Correct Answer:
Slow-wave
Note: This Question is unanswered, help us to find answer for this one
211. Because of the property of paleomagnetism, _____.
Answer
Correct Answer:
Records of the Earth's magnetic field in rocks have been studied
Note: This Question is unanswered, help us to find answer for this one
212. Because of plate tectonics, about 250 million years ago __________.
Answer
Correct Answer:
All the landmasses were united in one supercontinent, the Pangaea
Note: This Question is unanswered, help us to find answer for this one
213. Axons are necessary for neurons to be able to ____.
Answer
Correct Answer:
Send neural impulses to other neurons
Note: This Question is unanswered, help us to find answer for this one
214. Atp hydrolysis directly powers the movement of _____.
Answer
Correct Answer:
Na+out of cells
Note: This Question is unanswered, help us to find answer for this one
215. As heat and pressure increase, ductile deformation _____.
Answer
Correct Answer:
Becomes less likely
Note: This Question is unanswered, help us to find answer for this one
216. As energy is transferred among organisms, some escapes from the environment as ____ energy.
Answer
Correct Answer:
Heat
Note: This Question is unanswered, help us to find answer for this one
217. As alexander fleming knew, most bacteria fall into one of _____ categories.
Answer
Correct Answer:
Two
Note: This Question is unanswered, help us to find answer for this one
218. As a result of the punic wars rome __________
Answer
Correct Answer:
Won control over the western Mediterranean
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219. As a result of a severe disturbance, a community will ________.
Answer
Correct Answer:
Undergo succession
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220. Antibiotic resistance evolves in bacteria when ________.
Answer
Correct Answer:
The presence of antibiotics favors bacteria that already have genes for resistance
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221. Another term for tympanitis (inflammation of the middle ear) is ___________/itis media.
Answer
Correct Answer:
Ot
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222. An individual who carries staph but isn't sick is referred to as _______.
Answer
Correct Answer:
Colonized
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223. An appropriate way to close an unsolicited proposal is to _____.
Answer
Correct Answer:
Request a meeting
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224. An abnormal plantar reflex in an adult produces babinski's sign, which indicates ________.
Answer
Correct Answer:
Damage to the corticospinal tract
Note: This Question is unanswered, help us to find answer for this one
225. Amino acids are needed to build ________, just as ________ are needed to create dna.
Answer
Correct Answer:
Protein; nucleotides
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226. Alpha-linolenic acid and linoleic acid are classified as _________ fatty acids.
Answer
Correct Answer:
Essential
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227. All of the following are issues with lesioning except its __________.
Answer
Correct Answer:
Availability of technology
Note: This Question is unanswered, help us to find answer for this one
228. All genes are composed of specific sequences of ___________ molecules.
Answer
Correct Answer:
DNA
Note: This Question is unanswered, help us to find answer for this one
229. All dna polymerases synthesize new dna by adding nucleotides to the _____ of the growing dna chain.
Answer
Correct Answer:
3′ OH
Note: This Question is unanswered, help us to find answer for this one
230. Albumin in the urine can indicate _____ of the urinary tract, particularly the glomeruli.
Answer
Correct Answer:
Obstruction.
Note: This Question is unanswered, help us to find answer for this one
231. Agonists bind to ________ and antagonists bind to ________.
Answer
Correct Answer:
Receptors; nothing.
Note: This Question is unanswered, help us to find answer for this one
232. Agnes has heartburn, which is also called ____.
Answer
Correct Answer:
Pyrosis
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233. Agglutinogens are contained on the __________, whereas the agglutinins are found in the __________.
Answer
Correct Answer:
Cell membrane of the RBC; plasma
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234. Agents generating mutation-inducing dna damage are collectively referred to as ________.
Answer
Correct Answer:
Mutagens
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235. After the migrating neuron reaches its destination, ____ begin to form.
Answer
Correct Answer:
Dendrites
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236. After receiving a reward for escaping the puzzle box, the cats ________.
Answer
Correct Answer:
Gradually learned to escape more quickly
Note: This Question is unanswered, help us to find answer for this one
237. After drinking alcoholic beverages, increased urine excretion is the result of _____.
Answer
Correct Answer:
Inhibited secretion of antidiuretic hormone (ADH)
Note: This Question is unanswered, help us to find answer for this one
238. After an economy has reached its peak, it begins the ______ phase of the business cycle.
Answer
Correct Answer:
Contraction
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239. Advantages of using algae as a biofuel include _______. select all that apply.
Answer
Correct Answer:
All of these
Note: This Question is unanswered, help us to find answer for this one
240. Adherence to the intestinal lining by this bacterium is due to its possession of _____.
Answer
Correct Answer:
A capsule
Note: This Question is unanswered, help us to find answer for this one
241. Adenosine triphosphate, or atp, is primarily used as _______ in living organisms.
Answer
Correct Answer:
A source of energy
Note: This Question is unanswered, help us to find answer for this one
242. Accumulation of undigested molecules would most directly be an indication of _____ dysfunction.
Answer
Correct Answer:
Mitochondrial
Note: This Question is unanswered, help us to find answer for this one
243. According to lecture, ________ had the highest rate of pathogenic weight practices.
Answer
Correct Answer:
Gymnasts
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244. About one in ____ individuals diagnosed with an eating disorder is male.
Answer
Correct Answer:
10
Note: This Question is unanswered, help us to find answer for this one
245. A placenta and viviparity are most likely adaptations for increasing ______.
Answer
Correct Answer:
Parental care and offspring survival
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246. A pine tree is a _____.
Answer
Correct Answer:
Gymnosperm
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247. ____________ metamorphic rocks have mineral grains that line up in parallel layers.
Answer
Correct Answer:
Foliated
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248. _______ is an indicator of programmed cell death.
Answer
Correct Answer:
Fragmented chromatin
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249. ______ are responsible for toxic red tides.
Answer
Correct Answer:
Dinoflagellates
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250. _____ stimulates the release of norepinephrine and dopamine and also blocks their reuptake.
Answer
Correct Answer:
Amphetamine
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251. _____ is associated with the fearless-peer experiment. the experiment demonstrates _____.
Answer
Correct Answer:
Bandura; observational learning
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252. _____ describes why similar organisms do not interbreed because of a physical barrier.
Answer
Correct Answer:
Allopatric speciation
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253. The gill flap, or operculum, was an important adaptation for fish because it helps with __________.
Answer
Correct Answer:
Maintaining a supply of oxygen
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254. Human body cells are approximately ______ water.
Answer
Correct Answer:
70—95%
Note: This Question is unanswered, help us to find answer for this one
255. Both prokaryotic and eukaryotic cells use ________ to turn certain genes on or off.
Answer
Correct Answer:
Proteins
Note: This Question is unanswered, help us to find answer for this one
256. To stay abstinent, one should __________.
Answer
Correct Answer:
Practice refusal skills
Note: This Question is unanswered, help us to find answer for this one
257. The kingdom described in "the lady, or the tiger?" is _____.
Answer
Correct Answer:
Actual mythical an ancient city which has since been destroyed.
Note: This Question is unanswered, help us to find answer for this one
258. The variation in shape and function of the forelimb in tetrapods is a result of _____.
Answer
Correct Answer:
Different environments leading to the evolution of different types of limbs
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259. The reduction division of meiosis specifically occurs at ________.
Answer
Correct Answer:
Meiosis I
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260. The parasympathetic division is also called the ________ division.
Answer
Correct Answer:
Craniosacral -
Note: This Question is unanswered, help us to find answer for this one
261. The membrane potential is hyperpolarized at label ________.
Answer
Correct Answer:
When the line goes under the starting point
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262. The scientific explanation for global warming is very dependent on the _______ atom.
Answer
Correct Answer:
Carbon
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263. The gd mat on the fur of the bats should be expected to consist of _____.
Answer
Correct Answer:
Hyphae.
Note: This Question is unanswered, help us to find answer for this one
264. Metabolic acidosis results in _______.
Answer
Correct Answer:
Hyperventilation
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265. Storage forms of glucose in living things include _____.
Answer
Correct Answer:
Glycogen and starch
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266. The fuel used to run our cars contains _______ energy
Answer
Correct Answer:
Potential
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267. The cracking of rock due to heat is an example of _______.
Answer
Correct Answer:
Physical weathering
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268. Sensory information that arrives at the cns is routed according to the ________ of the stimulus.
Answer
Correct Answer:
Both A and C
Note: This Question is unanswered, help us to find answer for this one
269. Secondary hypertension ____________________. select all that apply.
Answer
Correct Answer:
Is due to the presence of another disease, such as Cushing's syndrome.
Note: This Question is unanswered, help us to find answer for this one
270. Cutting the left optic nerve in front of the optic chiasm would result in blindness in the ____.
Answer
Correct Answer:
Left eye
Note: This Question is unanswered, help us to find answer for this one
271. During weeks 17-20, quickening occurs, which is when the __________.
Answer
Correct Answer:
Mother is able to feel the fetus move inside her womb
Note: This Question is unanswered, help us to find answer for this one
272. The body fluids of an osmoconformer would be ________ with its ________ environment
Answer
Correct Answer:
Isoosmotic; saltwater
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273. Opportunistic species typically ______.
Answer
Correct Answer:
Have a large number of offspring
Note: This Question is unanswered, help us to find answer for this one
274. In the myogenic response, ________.
Answer
Correct Answer:
Vascular smooth muscle responds to stretch
Note: This Question is unanswered, help us to find answer for this one
275. (intro) the amount of life on the ocean floor depends primarily on _________.
Answer
Correct Answer:
The productivity of the surface layer above it
Note: This Question is unanswered, help us to find answer for this one
276. The most active form of ____________ is called calcitriol.
Answer
Correct Answer:
Vitamin D
Note: This Question is unanswered, help us to find answer for this one
277. The most important feature that permits a gene to act as a molecular clock is _____.
Answer
Correct Answer:
A reliable average rate of mutation
Note: This Question is unanswered, help us to find answer for this one
278. What was an early selective advantage of a coelom in animals? a coelom _____.
Answer
Correct Answer:
Contributed to a hydrostatic skeleton, allowing greater range of motion
Note: This Question is unanswered, help us to find answer for this one
279. Unikonta is a supergroup that includes all of the following except _____.
Answer
Correct Answer:
Plants
Note: This Question is unanswered, help us to find answer for this one
280. Uniform spacing patterns in plants such as the creosote bush are most often associated with _____.
Answer
Correct Answer:
Competitive interaction between individuals of the same population
Note: This Question is unanswered, help us to find answer for this one
281. The evolution of eukaryotic cells most likely involved _____.
Answer
Correct Answer:
Endosymbiosis of an aerobic bacterium in a larger host cell—the endosymbiont evolved into mitochondria
Note: This Question is unanswered, help us to find answer for this one
282. Industrial ecologists ________.
Answer
Correct Answer:
Redesign industrial systems to maximize physical and economic efficiency
Note: This Question is unanswered, help us to find answer for this one
283. Ddt, dde, pcbs, and pbdes are all ________.
Answer
Correct Answer:
Non-biodegradable and subject to bioaccumulation and/or biomagnification
Note: This Question is unanswered, help us to find answer for this one
284. Copernicus proposed a heliocentric model for the solar system primarily because ________.
Answer
Correct Answer:
It was much simpler than the Ptolemaic model
Note: This Question is unanswered, help us to find answer for this one
285. To recycle nutrients, an ecosystem must have, at a minimum, _____.
Answer
Correct Answer:
Producers and decomposers
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286. The tract that carries sensations from muscle spindles to the cns is the __________.
Answer
Correct Answer:
Spinocerebellar
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287. The target organ of oxytocin is the smooth muscle of the _____.
Answer
Correct Answer:
Uterus
Note: This Question is unanswered, help us to find answer for this one
288. The structural framework of a blood clot is formed by __________.
Answer
Correct Answer:
A fibrin polymer
Note: This Question is unanswered, help us to find answer for this one
289. The redundancy of the genetic code is a consequence of ______.
Answer
Correct Answer:
Having more codons than amino acids
Note: This Question is unanswered, help us to find answer for this one
290. The primary difference between enhancers and promoter-proximal elements is that enhancers _____.
Answer
Correct Answer:
Are at considerable distances from the promoter; promoter-proximal elements are close to the promoter
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291. The behavior of an infant in sensorimotor stage four might best be described as _____.
Answer
Correct Answer:
Deliberate
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292. According to the fossil record, plants colonized terrestrial habitats ________.
Answer
Correct Answer:
In conjunction with fungi that helped provide them with nutrients from the soil
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293. Feedlots are a major cause of _________ in water.
Answer
Correct Answer:
All of these choices are correct
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294. The first stage of embryonic development is _____. this process produces _____.
Answer
Correct Answer:
Cleavage ... a cluster of cells
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295. In fetal circulation the descending aorta carries the less oxygenated blood from the _________.
Answer
Correct Answer:
Ductus arteriosus.
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296. In a newly fertilized egg, the vitelline layer _____.
Answer
Correct Answer:
Lifts away from the egg and hardens to form a fertilization envelope
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297. In a comparison of birds and mammals, having four limbs is _____.
Answer
Correct Answer:
A shared ancestral character
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298. Examine the evolutionary tree below. this tree tells us that the amnion is found in ______.
Answer
Correct Answer:
Mammals, lizards, snakes, crocodiles, and birds
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299. Cleavage as part of embryonic development is distinctive because it involves ________.
Answer
Correct Answer:
Cell division by mitosis with little or no growth between successive divisions
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300. As cleavage continues, a zygote forms into a solid multicellular ball called a(n) _____.
Answer
Correct Answer:
Morula
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301. A blastomere is a _____ and a blastocyst is _____.
Answer
Correct Answer:
Cell produced by cleavage; a hollow ball of cells
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302. When bapna is hydrolyzed, it _______.
Answer
Correct Answer:
Changes from colorless to yellow
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303. The decidua basalis is ________.
Answer
Correct Answer:
Located between the developing embryo and the myometrium
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304. Early work on signal transduction and glycogen metabolism by sutherland indicated that __________.
Answer
Correct Answer:
The signal molecule did not interact directly with the cytosolic enzyme, but required an intact plasma membrane before the enzyme could be activated
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305. Almost all animals except _____ have either radial or bilateral symmetry.
Answer
Correct Answer:
Sponges
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306. The three most abundant classes of nutrients are __________.
Answer
Correct Answer:
Fats, proteins, and carbohydrates
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307. The term polytomy refers to a situation in which __________.
Answer
Correct Answer:
A branch point within a phylogenetic tree represents the most recent common ancestor
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308. The primitive streak in a bird is the functional equivalent of _____.
Answer
Correct Answer:
The blastopore in the frog
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309. The outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo is _____.
Answer
Correct Answer:
Ectoderm → mesoderm → endoderm.
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310. The notochord functions as a core around which mesodermal cells form the frog's _____.
Answer
Correct Answer:
Backbone.
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311. The mesoderm gives rise to _____
Answer
Correct Answer:
Skeletal and muscular systems
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312. The domain eukarya contain(s) ______ kingdom(s).
Answer
Correct Answer:
Four.
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313. In the five-kingdom system, prokaryotes are placed in the kingdom _____.
Answer
Correct Answer:
Monera
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314. During gastrulation in frogs, a rod of mesoderm under the dorsal surface forms the _____.
Answer
Correct Answer:
Notochord
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315. Birds reptiles and mammals are called amniotes because _____
Answer
Correct Answer:
They have extra-embryonic membranes that develop an aqueous environment in which development occurs
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316. At the moment of sperm penetration, human eggs _____.
Answer
Correct Answer:
Are still surrounded by follicular cells
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317. An embryonic cell that is "totipotent" is one that can _____.
Answer
Correct Answer:
By itself, give rise to the entire embryo, as cleavage proceeds
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