Question 1

What is the sum total of all chemical reactions involved in maintaining the dynamic state of a cell?

Accepted Answer

Metabolism

Question 2

Which process involves breaking down molecules to supply energy?

Accepted Answer

Catabolism

Question 3

Which process involves synthesizing (building up) molecules?

Accepted Answer

Anabolism

Question 4

In what cell organelle does the common catabolic pathway take place in higher organisms?

Accepted Answer

Mitochondria

Question 5

Which of the following is NOT part of the common catabolic pathway?

Accepted Answer

Photosynthesis

Question 6

Which molecule is the most important agent for storing energy and transferring phosphate groups?

Accepted Answer

ATP

Question 7

Which coenzyme is responsible for transferring electrons in biological oxidation-reduction reactions and contains an ADP core?

Accepted Answer

NAD+

Question 8

What molecule transports acetyl groups in the common catabolic pathway?

Accepted Answer

CoA

Question 9

What two-carbon fragment enters the citric acid cycle to be further fragmented?

Accepted Answer

Acetyl-CoA

Question 10

What is the final complex in the electron transport chain that passes electrons to oxygen molecules to produce water?

Accepted Answer

Complex IV

Question 11

For each NADH molecule, how many ATP molecules are produced in oxidative phosphorylation? (simplified)

Accepted Answer

Three

Question 12

For each FADH2 molecule, how many ATP molecules are produced in oxidative phosphorylation? (simplified)

Accepted Answer

Two

Question 13

What type of energy is generated by maintaining unequal charges inside and outside the cell through ion pumping?

Accepted Answer

Electrical Energy

Question 14

In muscle contraction, which protein acts as an ATPase enzyme that hydrolyzes ATP?

Accepted Answer

Myosin

Question 15

What is the main advantage of the cyclic nature of acetate degradation?

Accepted Answer

All of the above

Bioenergetics: Fueling the Body

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