When oxygen is plentiful pyruvate from glucose is converted to?

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Solution

Conversion of pyruvate acetyl CoA in presence of oxygen:
Pyruvate is the end product of glycolysis.
Pyruvate is a three-carbon molecule that enters the mitochondria for aerobic respiration,
In presence of plenty of oxygen, aerobic respiration starts with the conversion of 3 carbon molecule to 2 carbon molecule i.e. acetyl CoA.
This conversion takes place in three steps they are decarboxylation, the reduction of NAD⁺, and the attachment of coenzyme A.
After the decarboxylation process, acetyl CoA enters the citric acid cycle.

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Q. Why is glucose converted into pyruvate in a cell?

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Q. When there is lack of oxygen in our muscle cells, X gets converted into Y whose build-up in the cell leads to muscle cramps.

Identify both X and Y.
A) X- glucose; Y- pyruvate
B) X- pyruvate; Y- glucose
C) X- pyruvate; Y- ethanol
D) X- glucose; Y- lactic acid

In which part of the cell the glucose is converted into pyruvate?

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