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Question

Statement 1: Glucose breaks down into a 3-carbon compound in the cytoplasm of the cell.

Statement 2: A pyruvate molecule breaks down into 3-molecules of carbon dioxide in mitochondria of the cell.


A

Assertion and Reason both are incorrect

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B

Assertion is incorrect and reason is correct

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C

Assertion is correct and reason is incorrect

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D

Both assertion and reason are correct

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Solution

The correct option is D

Both assertion and reason are correct


During respiration, glucose molecule, a 6-carbon compound, breaks down into two molecules of a 3-carbon compound called pyruvate. Glycolysis or breakdown of glucose takes place in the cytoplasm of cell and pyruvate breaks further in mitochondria, forming carbon dioxide and energy.


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