Photosynthesis in Higher PlantsHard

Question

The carbon dioxide acceptor in Calvin cycle / C3-plants

Options

A.phosphoenol pyruvate (PEP)
B.ribulose 1,5-diphosphate (RuDP)
C.phosphoglyceric Acid (PGA)
D.ribulose Monophosphate (RMP)

Solution

In C3 -plants, CO2 combines with ribulose biphosphate (acceptor molecule) in the presence of rubisco (RuDP carboxylase) and form two molecules of 3-Phosphoglyceric acid or PGA (first stable product).

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