Question

where does aerobic breakdown of pyruvate takes place in living cell .what are the end products?

Answer 1

Answer:

In mitochondrial matrix.

Explanation:

Aerobic breakdown (in the presence of oxygen) of pyruvate involves conversion of pyruvate to a two-carbon atoms acetyl group to co-enzyme A with removal of carbon dioxide as byproduct.

In eukaryotic cells, it takes place inside the mitochondria (in mitochondrial matrix) and the resulting compound formed, due to this breakdown is acetyl CoA (acetyl co-enzyme A).

Thus, the correct answer is 'in mitochondrial matrix.'

Answer 2

Aerobic breakdown of Pyruvate takes place in the power house of living cells called as mitochondria.

Explanation:

• Carbon-di-oxide and water (CO2 and H2O) are the end products or output of result when pyruvate break down happens.
• In the presence of oxygen, the aerobic respiration proceeds in the eukaryotic cells. The molecules of pyruvate resulted at the end of glycolysis are transported further into the mitochondrial matrix especially to the middle region of mitochondria.
• In the middle of mitochondria, the resulted pyruvate molecules get converted into a two-carbon acetyl group by releasing a molecule of carbon dioxide and produces NADH. The final end product is Acetyl CoA.

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