Reason (R): First ATP is used in converting glucose into glucose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1,6-diphosphate.

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Q.
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):

Assertion (A): ATP is used at two steps in glycolysis.
Reason (R): First ATP is used in converting glucose into glucose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1,6-diphosphate.

In the light of the above statements, choose the correct answer from the options given below: [2023]

1 (A) is true but (R) is false.

2 (A) is false but (R) is true.

3 Both (A) and (R) are true and (R) is the correct explanation of (A).

4 Both (A) and (R) are true but (R) is not the correct explanation of (A).

Ans.
(3)

In glycolysis, ATP is used at two steps: first in the conversion of glucose into glucose-6-phosphate and second in the conversion of fructose 6 phosphate to fructose-1, 6-bisphosphate.

Solution

1 (A) is true but (R) is false.

2 (A) is false but (R) is true.

3 Both (A) and (R) are true and (R) is the correct explanation of (A).

4 Both (A) and (R) are true but (R) is not the correct explanation of (A).

Ans.
(3)

In glycolysis, ATP is used at two steps: first in the conversion of glucose into glucose-6-phosphate and second in the conversion of fructose 6 phosphate to fructose-1, 6-bisphosphate.

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Solution

1 (A) is true but (R) is false.

2 (A) is false but (R) is true.

3 Both (A) and (R) are true and (R) is the correct explanation of (A).

4 Both (A) and (R) are true but (R) is not the correct explanation of (A).

Ans. (3) In glycolysis, ATP is used at two steps: first in the conversion of glucose into glucose-6-phosphate and second in the conversion of fructose 6 phosphate to fructose-1, 6-bisphosphate.

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Ans.
(3)

In glycolysis, ATP is used at two steps: first in the conversion of glucose into glucose-6-phosphate and second in the conversion of fructose 6 phosphate to fructose-1, 6-bisphosphate.