Question #1: In a mitochondrion, the TCA cycle cannot continue on indefinitely w

Question

Question #1: In a mitochondrion, the TCA cycle cannot continue on indefinitely without oxygen because the electron transport chain will be incapable of reducing NADH and FADH2.

a.) True

b.) False

Question #2:How much energy (in the form of ATP) would one get from oxidation of 1 pyruvate molecule if the pH gradient was destroyed in the mitochondrion?

a.) 1 ATP

b.) 2 ATP

c.) 10 ATP

d.) 11.5 ATP

e.) 12.5 ATP

Question #3: The Fe-S clusters in the ETC accept electrons but not protons from the preceding step.

a.) True b.) False

Question #4:High NADH will shut down the TCA cycle at isocitrate dehydrogenase in part because this enzyme requires NAD+ to function.

a.) True

b.) False

Explanation / Answer

1. true

2. 2 atp i guess.

3. true.

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