micro

Question 1
1.
Environmental changes can result in the inactivation of enzymes.
Answer
True False
1 points
Question 2
1.
Hydrolases are generally involved in __________ reactions.
Answer

anabolic

catabolic

both anabolic and catabolic

neither anabolic nor catabolic

oxidation-reduction
2 points
Question 3
1.
Which of the following types of carrier molecules is NOT found in electron transport chains?
Answer

ubiquinones

hemoglobin

flavoproteins

cytochromes

metal-containing proteins
2 points
Question 4
1.
Anabolic reactions may be characterized as
Answer

forming large molecules from smaller molecules.

breaking large molecules into smaller molecules to produce ATP.

producing ATP.

breaking large molecules into smaller molecules.

exergonic.
2 points
Question 5
1.
Which of the following statements concerning cellular metabolism is FALSE?
Answer

Energy obtained from nutrients or light is stored in the bonds of ATP.

ATP is used in the formation of macromolecules.

Enzymes are used in both catabolic and anabolic reactions.

Macromolecules are converted into cell structures via catabolism.

The goal of metabolism is reproduction of the organism.
2 points
Question 6
1.
Enzymes known as lyases participate in __________ reactions.
Answer

catabolic

anabolic

both anabolic and catabolic

neither anabolic nor catabolic

oxidation-reduction
1 points
Question 7
1.
Oxidoreductases participate in __________ reactions.
Answer

anabolic

catabolic

both anabolic and catabolic

neither anabolic nor catabolic

energy neutral
2 points
Question 8
1.
The molecule that an enzyme acts upon is known as its
Answer

coenzyme.

catalyst.

holoenzyme.

substrate.

apoenzyme.
1 points
Question 9
1.
Carbon dioxide is a by-product of which of the following?