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Biological Chemistry MCQ

Hemoglobin glycation is a process where is attached to hemoglobin.

Glycerol; covalently

Glucose; enzymatically

Glucose; non-enzymatically

N-acetyl-galactosamine; enzymatically

Galactose; non-enzymatically

Answer

Correct Answer: Glucose; non-enzymatically

Note: This Question is unanswered, help us to find answer for this one

The fact that oxygen is an atom that is strongly electronegative means that __________.

It more strongly pulls shared electrons toward itself when forming a ...

Half-life

Is an ion

Number of electrons in its outermost shell

A covalent bond

Answer

Correct Answer: It more strongly pulls shared electrons toward itself when forming a ...

Note: This Question is unanswered, help us to find answer for this one

The nucleus of unstable _____ of an element will decay leading to emission of radiation.

Covalent

Atomic mass

Isotopes

Isomers.

Answer

Correct Answer: Isotopes

Note: This Question is unanswered, help us to find answer for this one

Nonpolar covalent bonds are always formed from atoms that are __________.

Equal in their electronegativity

Electron

A three-dimensional space

Attraction between ions

Answer

Correct Answer: Equal in their electronegativity

Note: This Question is unanswered, help us to find answer for this one

Most organic compounds contain carbon and _____. see concept 4.1 (page)

Oxygen.

Sulfur.

Phosphate.

Hydrogen.

Nitrogen.

Answer

Correct Answer: Hydrogen.

Note: This Question is unanswered, help us to find answer for this one

Most lipids are transported in the blood as part of a structure called a(n) _______________.

Lipoproteins

Cell membranes.

Adipose tissue.

Triglycerides.

Answer

Correct Answer: Lipoproteins

Note: This Question is unanswered, help us to find answer for this one

Molecular mimics __________.

Atom that has more protons than electrons and carries a positive charge

Can produce similar effects as the naturally occurring molecules

One of the atoms sharing electrons is much more electronegative

Partial opposite charges on molecules come close enough to attract each other

Answer

Correct Answer: Can produce similar effects as the naturally occurring molecules

Note: This Question is unanswered, help us to find answer for this one

_____ is the species-specific biological predisposition to learn in certain ways but not others.

Preparedness

Process of learning

Stimuli and not others.

Answer

Correct Answer: Preparedness

Note: This Question is unanswered, help us to find answer for this one

The dna-containing region of this bacterial cell is indicated by the letter _____.

Ribosomes.

Cell walls. Fimbriae. Mitochondria

Flagella

DNA storage

The nucleoid region contains DNA

Answer

Correct Answer: The nucleoid region contains DNA

Note: This Question is unanswered, help us to find answer for this one

The ability to tolerate lactose throughout life is most likely to be seen in ______.

Populations that live in cold climates

Cultures that keep dairy

Both A and B

None of these

Answer

Correct Answer: Cultures that keep dairy

Note: This Question is unanswered, help us to find answer for this one

Monkeys underwent massive ________ in the pliocene and pleistocene.

Natural selection

Adaptive radiation

Genetic drift

Convergent evolution

Answer

Correct Answer: Adaptive radiation

Note: This Question is unanswered, help us to find answer for this one

It is believed the major reason for the decline in amphibian species is _______.

Death through disease

Changing reproductive habits

Mutation

Climate change

Answer

Correct Answer: Climate change

Note: This Question is unanswered, help us to find answer for this one

Zero on a ph scale is very _, and 14 on a ph scale is very _.

Basic; acidic

Acidic; basic

both a and b

none of these

Answer

Correct Answer: Acidic; basic

Note: This Question is unanswered, help us to find answer for this one

If digestion is , then synthesis is .

Hydrolysis; dehydration

Dehydration; hydrolysis

The fats in lard are mostly phospholipids

Answer

Correct Answer: Hydrolysis; dehydration

Note: This Question is unanswered, help us to find answer for this one

__________ fats or lipids form animal body fat that is used for stored energy and insulation.

Proteins

Glucose

Saturated

Ribose

Answer

Correct Answer: Saturated

Note: This Question is unanswered, help us to find answer for this one

Weak chemical bonds such as hydrogen bonds __________.

Covalent bonds

Form when a hydrogen atom that is covalently bonded to an electronegative atom like oxygen or nitrogen is attracted to another electronegative atom.

Reactants; products

The atomic mass

Answer

Correct Answer: Form when a hydrogen atom that is covalently bonded to an electronegative atom like oxygen or nitrogen is attracted to another electronegative atom.

Note: This Question is unanswered, help us to find answer for this one

An atom with an atomic number of 14 will have __________ electrons in its valence shell.

Answer

Correct Answer: 4

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The reaction a + b + energy → ab is an example of a(n) ________ reaction.

Decomposition

Exergonic

Synthesis

Reversible

Answer

Correct Answer: Synthesis

Note: This Question is unanswered, help us to find answer for this one

As water freezes, ________.

It loses its polarity

It cools the surrounding environment

Its molecules move farther apart

Its hydrogen bonds break apart

Answer

Correct Answer: Its molecules move farther apart

Note: This Question is unanswered, help us to find answer for this one

When amino acids are deaminated, the immediate products are ammonia and often a ____.

Folic acid

Keto acid

Gluco acid

Phyto acid

Answer

Correct Answer: Keto acid

Note: This Question is unanswered, help us to find answer for this one

When a very electronegative atom strips a valence electron away from its partner, __________ form.

Hydrogen bonds

Van der waals interactions

Ions

Covalent bonds

Answer

Correct Answer: Ions

Note: This Question is unanswered, help us to find answer for this one

Biological Chemistry MCQ

Hemoglobin glycation is a process where ________ is ________ attached to hemoglobin.

The fact that oxygen is an atom that is strongly electronegative means that __________.

The nucleus of unstable _____ of an element will decay leading to emission of radiation.

Nonpolar covalent bonds are always formed from atoms that are __________.

Most organic compounds contain carbon and _____. see concept 4.1 (page)

Most lipids are transported in the blood as part of a structure called a(n) _______________.

Molecular mimics __________.

_____ is the species-specific biological predisposition to learn in certain ways but not others.

The dna-containing region of this bacterial cell is indicated by the letter _____.

The ability to tolerate lactose throughout life is most likely to be seen in ______.

Monkeys underwent massive ________ in the pliocene and pleistocene.

It is believed the major reason for the decline in amphibian species is _______.

Zero on a ph scale is very _____, and 14 on a ph scale is very _____.

If digestion is ________, then synthesis is ________.

__________ fats or lipids form animal body fat that is used for stored energy and insulation.

Weak chemical bonds such as hydrogen bonds __________.

An atom with an atomic number of 14 will have __________ electrons in its valence shell.

The reaction a + b + energy → ab is an example of a(n) ________ reaction.

As water freezes, ________.

When amino acids are deaminated, the immediate products are ammonia and often a ____.

When a very electronegative atom strips a valence electron away from its partner, __________ form.

Hemoglobin glycation is a process where is attached to hemoglobin.

Zero on a ph scale is very _, and 14 on a ph scale is very _.

If digestion is , then synthesis is .