Chapter 2/3 Part 4 Question Preview (ID: 14048)


Environmental Science Biochemistry. TEACHERS: click here for quick copy question ID numbers.

Why is ATP (Adenosine triphosphate) important?
a) It is the molecule used to store phosphates.
b) It is the molecule used to build proteins.
c) It is the molecule used to store energy.
d) It is the molecule used to store the genetic information.

Which of the following is FALSE about condensation and hydrolysis reactions?
a) Condensation and hydrolysis reactions are the opposite of one another
b) Hydrolysis reactions break down polymers and use water.
c) Condensation reactions build polymers and release water.
d) Condensation and hydrolysis reactions are not related to one another.

Carboxyl
a) Amine
b) Phosphate
c) Hydroxyl
d) Carboxyl

Explain how monomers and polymers are related.
a) Monomers are the building blocks for polymers.
b) Monomers are one polymer.
c) Monomers and polymers come together to make macromolecules.
d) Polymers are the building blocks for monomers.

Hydroxyl
a) Amine
b) Phosphate
c) Hydroxyl
d) Carboxyl

Amine
a) Amine
b) Phosphate
c) Hydroxyl
d) Carboxyl

Phosphate
a) Amine
b) Phosphate
c) Hydroxyl
d) Carboxyl

Why are functional groups important?
a) They determine the job of a macromolecule.
b) They determine the shape of a macromolecule.
c) They determine the properties of macromolecules.
d) They determine the structure of a macromolecule.

What element defines organic compounds?
a) C (Carbon)
b) N (Nitrogen)
c) O (Oxygen)
d) H (Hydrogen)

Why does carbon form four bonds?
a) Because carbon can form double bonds to become stable
b) Because carbon wants to have no electrons in its outer energy level.
c) Because carbon likes to be surrounded by atoms to become stable.
d) Because carbon has 4 electrons and needs to gain 4 more to become stable.

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