QuizMaster

Question: Most multi-cellular organisms obtain energy for the synthesis of ATP during oxidative phosphorylation from
[A].

high energy phosphate compounds

[B].

a proton gradient across the inner mitochondrial membrane

[C].

a proton gradient across the cell membrane

[D].

a proton gradient across the outer mitochondrial membrane

Answer: Option B

Explanation:

No answer description available for this question.

Question: Malate-asparatate shuttle operates in
[A].

lungs and liver

[B].

heart and liver

[C].

pancreas and liver

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: A positive redox potential means substance has
[A].

lower affinity for electron

[B].

higher affinity for electron

[C].

lower affinity for proton

[D].

higher affinity for proton

Answer: Option B

Explanation:

No answer description available for this question.

Question: Oxidation of a molecule involves
[A].

gain of electron

[B].

loss of electron

[C].

gain of proton

[D].

loss of proton

Answer: Option B

Explanation:

No answer description available for this question.

Question: Cholesterol can be synthesized de novo in
[A].

pancreas

[B].

intestine

[C].

liver

[D].

cell membrane

Answer: Option C

Explanation:

No answer description available for this question.

Question: In eukaryotes, electron transport occurs in
[A].

membranes and mitochondria

[B].

endoplasmic reticulum

[C].

cytoplasm

[D].

all of the above

Answer: Option A

Explanation:

No answer description available for this question.

Question: Why is the TCA cycle the central pathway of metabolism of the cell?
[A].

It occurs in the center of the cell

[B].

Its intermediates are commonly used by other metabolic reactions

[C].

All other metabolic pathways depend upon it

[D].

None of the above

Answer: Option B

Explanation:

No answer description available for this question.

Question: In what form does the product of glycolysis enter the TCA cycle?
[A].

AcetylCoA

[B].

Pyruvate

[C].

NADH

[D].

Glucose

Answer: Option A

Explanation:

No answer description available for this question.

Question: Citric acid cycle occurs in
[A].

cytoplasm

[B].

mitochondria

[C].

endoplasmic reticulum

[D].

golgi bodies

Answer: Option B

Explanation:

No answer description available for this question.