Oxidative Phosphorylation

Question: The carbon dioxide is primary a product of
[A].

Krebs cycle

[B].

glycolysis

[C].

electron transport phosphorylation.

[D].

lactate fermentation.

Answer: Option A

Explanation:

No answer description available for this question.

Question: FAD is reduced to FADH2 during
[A].

electron transport phosphorylation

[B].

lactate fermentation

[C].

Krebs cycle

[D].

glycolysis

Answer: Option C

Explanation:

No answer description available for this question.

Question: In aerobic respiration, the compound that enters a mitochondrion is
[A].

acetyl CoA

[B].

pyruvate

[C].

phosphoglyceraldehyde

[D].

oxaloacetate

Answer: Option B

Explanation:

No answer description available for this question.

Question: The aerobic breakdown of glucose known as respiration involves
[A].

electron transport phosphorylation

[B].

glycolysis

[C].

Krebs Cycle

[D].

all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Question: Lactic acid is produced by human muscles during strenuous exercise because of lack of
[A].

oxygen

[B].

NAD+

[C].

glucose

[D].

ADP and Pi

Answer: Option A

Explanation:

No answer description available for this question.

Question: In electron transport, electrons ultimately pass to
[A].

ADP

[B].

cytochrome b

[C].

oxygen

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: During glycolysis, electrons removed from glucose are passed to
[A].

FAD

[B].

NAD+

[C].

acetyl CoA

[D].

pyruvic acid

Answer: Option B

Explanation:

No answer description available for this question.

Question: Coenzyme Q is involved in electron transport as
[A].

directly to O2

[B].

a water-soluble electron donor

[C].

covalently attached cytochrome cofactor

[D].

a lipid-soluble electron carrier

Answer: Option D

Explanation:

No answer description available for this question.

Question: During electron transport, protons are pumped out of the mitochondrion at each of the major sites except for
[A].

complex I

[B].

complex II

[C].

complex III

[D].

complex IV

Answer: Option B

Explanation:

No answer description available for this question.

Question: A biological redox reaction always involves
[A].

an oxidizing agent

[B].

a gain of electrons

[C].

a reducing agent

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.