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Which of the metabolites is common to respiration mediated breakdown of fats

Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?

Options

(a) Fructose 1,6 – bisphosphate
(b) Pyruvic acid
(c) Acetyl CoA
(d) Glucose – 6 – phosphate

Correct Answer:

Acetyl CoA

Explanation:

Acetyl CoA is common to respiration mediated breakdown of fats, carbohydrates and proteins. Facts are broken down to fatty acid and glycerol and again fatty acid degraded to acetyl Co-A. Protein first degraded by proteases to individual amino acids which deaminated to pyruvic acid and further decarboxylated to acetyl Co-A.

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