Question

he carbon dioxide acceptor in Calvin cycle/ C3-plants is (a) phospho-enol pyruvate (PEP) (b) ribulose 1,...

he carbon dioxide acceptor in Calvin cycle/ C3-plants is

(a) phospho-enol pyruvate (PEP)

(b) ribulose 1, 5-diphosphate (RuBP)

(c) phosphoglyceric acid (PGA)

(d) ribulose monophosphate (RMP).

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Answer #1

Correct option -(b)

Carbon dioxide diffuses into the stroma of chloroplasts and combines with a five-carbon sugar, ribulose1,5-biphosphate (RuBP). The enzyme that catalyzes this reaction is referred to as RuBisCo, a large molecule that may be the most abundant organic molecule on the Earth.

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