Which one is the precursor of chlorophyll?

Tryptophan

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Protochlorophyll

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Bacteriochlorophyll

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Bacterioviridin

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Solution

The correct option is B Protochlorophyll
Chlorophyll are light harvesting cyclic tetrapyrrole compounds. The chlorophyll biosynthesis requires iron and magnesium mineral ions. The succinyl CoA, an intermediate of Krebs cycle and the amino acid glycine initiate the biosynthesis of chlorophyll A leading to production of protochlorophyllide or protochlorophyll. The protochlorophyllide or protochlorophyll is converted to chlorophyll a in presence of light.

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