Multiple choice. Please make the best choice for each.
41. Which of the following statements describes the results of the
following reaction? C₆H₁₂O₆ + 6
O₂ –> 6 CO₂ + 6 H₂O +
energy

A. C₆H₁₂O₆ is reduced and
CO₂ is oxidized.

B. O₂ is oxidized and H₂O is reduced

C. CO₂ is reduced and O₂ is oxidized

D. C₆H₁₂O₆ is oxidized and
O₂ is reduced

E. O₂ is reduced and CO₂ is oxidized.

42. Which of the following would you NOT expect to be associated
with or part of the Citric Acis Cyle?

A. Reduction of NAD+ molecules

B. Phosphorylation of ADP molecules.

C. Oxidation of FADH₂ molecules.

D. Decarboxylation of organic molecules.

E. Production of oxaloacetate molecules.

43. Which of the following statements about NAD+ is true?

A. NAD+ is oxidized to NADH during glycolysis, pyruvate
oxidation, and the citric acid cycle.

B. NAD+ has more chemical energy than NADH.

C. NAD+ is reduced by the action of dehydrogenases.

D. NAD+ can donate electrons for use in oxidative
phosphorylation.

E. NAD+ is not required for the glycolytic pathway to occur.

44. Which of the following statements are true?

1. Proton pumps can be located in the mesosomal membrane of
bacterial cells.

2. ATP is common energy intermediate used between catabolic and
anabolic pathways.

3. ATP is used for long-term storage of energy and is stored in
cells for future use.

4. ATP is generated by the pumping of protons across a membrane
through ATP synthase.

5. Anoxygenic photophosphorylation is directly associated with
the process of water photolysis.

6. Photosystem I can be associated with both cyclic electron
flow and NADP reduction.

A. 1,3,4,5; B. 1,2,4,5; C. 3,4,5; D. 1,2,6; E. 1,3,4

45. Which kind of metabolic poison would most directly interfere
with glycolysis?

A. an agent that reacts with oxygen and depletes its
concentration in the cell

B. an agent that binds to pyruvate and inactivates it

C. an agent that closely mimics the structure of glucose but is
not metabolized

D. an agent that reacts with NADH and oxidizes it to NAD+

E. an agent that blocks the passage of electrons along the
electron transport chain