NEET Biology question

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

(A)Glucose-6-phosphate
(B)Fructose, 6-bisphosphate
(C)Pyruvic acidCorrect
(D)Acetyl Co-A

Answer: (C)

Solution

Carbohydrates are converted to pyruvic acid via glycolysis; the glycerol backbone of fats, after conversion to a glycolytic intermediate, can also be routed to pyruvic acid; and several glucogenic amino acids (from protein breakdown) are likewise converted to pyruvic acid before entering the respiratory

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Question ID VK-113311