Question

Link between glycolysis, Krebs cycle and P-oxidation of fatty acid or carbohydrate and fat metabolism is...

Link between glycolysis, Krebs cycle and P-oxidation of fatty acid or carbohydrate and fat metabolism is

(a) oxaloacetic acid

(b) succinic acid

(c) citric acid

(d) acetyl CoA.

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Answer #1

Correct answer:- (d) acetyl CoA

Explanation:- Krebs cycle is intimately related with fat metabolism. Dihydroxy acetone phosphate (DHAP) produced in glycolysis may be ‘converted into glycerol via glycerol – 3 – phosphate and vice-versa. Glycerol is important constituents of fats. After P-oxidation, fatty acids give rise to active – 2 – C units, the acetyl-CoA which may enter the Krebs cycle. Thus, Acetyl-CoA is a link between glycolysis, Krebs cycle and P- oxidation of fatty acid or carbohydrate and fat metabolism.

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