Biochemistry

Question: A catabolic intermediate which stimulates phosphofructokinase would stimulate
[A].

gluconeogenesis

[B].

glycolysis

[C].

glycogen synthesis

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Gluconeogenesis is the
[A].

formation of glycogen

[B].

breakdown of glucose to pyruvate

[C].

breakdown of glycogen to glucose

[D].

synthesis of glucose from non-carbohydrate precursors

Answer: Option D

Explanation:

No answer description available for this question.

Question: Glycogen degradation requires the enzyme namely
[A].

glycogen phosphorylase and phosphoglucomutase

[B].

glycogen phosphorylase and glycogen-debranching enzyme

[C].

glycogen synthase and phosphorylase

[D].

none of the above

Answer: Option B

Explanation:

No answer description available for this question.

Question: Two major products of pentose phosphate pathway are
[A].

nicotinamide adenine dinucleotide and ribose 5-phosphate

[B].

flavine adenine dinuclueotide and glucose 5-phosphate

[C].

FAD and CoA

[D].

NADPH and NAD

Answer: Option A

Explanation:

No answer description available for this question.

Question: Gluconeogenesis uses
[A].

3 ATPs and 2 GTPs per glucose

[B].

2 ATPs and 1 GTPs per glucose

[C].

3 ATPs and 3 GTPs per glucose

[D].

4 ATPs and 2 GTPs per glucose

Answer: Option D

Explanation:

No answer description available for this question.

Question: During vigorous exercise, pyruvate produced by glycolysis is converted to
[A].

acetate

[B].

lactate

[C].

monosodium phosphate

[D].

pyruvic acid

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following characteristic enzymes of gluconeogensis is not found in the cytosol?
[A].

Pyruvate carboxlyase

[B].

Fructose-l,6-bisphosphatase

[C].

Both (a) and (b)

[D].

Glucose-6-phosphatase

Answer: Option A

Explanation:

No answer description available for this question.

Question: The main site for gluconeogenesis is
[A].

kidney

[B].

liver

[C].

brain

[D].

muscle

Answer: Option B

Explanation:

No answer description available for this question.

Question: Hexokinase activity in glycolysis is inhibited by
[A].

glucose 6- phosphate

[B].

fructose 6-phosphate

[C].

fructose 1,6 biphosphate

[D].

phosphofructokinase

Answer: Option A

Explanation:

No answer description available for this question.

Question: Hydrolysis of lactose yields
[A].

galactose and fructose

[B].

galactose and glucose

[C].

glucose and fructose

[D].

fructose and galactose

Answer: Option B

Explanation:

No answer description available for this question.