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Mark the INCORRECT statement about Ascorbic acid.

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Mark the INCORRECT statement about Ascorbic acid.

(a) It is a strong reducing agent

(b) It can have synthesized in the body

(c) Involves in hydroxylation of prolyl- and lysyl- residues of collagen

(d) Shows antioxidant activity

I had been asked this question during an online interview.

The origin of the question is Vitamins topic in section Biomolecules and Catalysis of Life Sciences

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Right choice is (b) It can have synthesized in the body

Easy explanation: It can have synthesized in the body is incorrect as vertebrates such as birds, fishes, and humans are not able to synthesize vitamin C, due to lack of enzyme gulono-lactone oxidase.

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