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C3 Cycle

The primary a...

Question

The primary acceptor of carbon in Calvin cycle contains how many carbon atoms?

A

5 carbon atoms

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B

3 carbon atoms

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C

1 carbon atom

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D

4 carbon atoms

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Solution

The correct option is A 5 carbon atoms
RuBP, the first acceptor of carbon dioxide, is a 5 carbon ketose sugar with the chemical formula $C_{5} H_{12} O_{11} P_{2}$ . On accepting a $C O_{2}$ molecule, RuBP undergoes carboxylation to form two molecules of 3-phosphoglycerate (a 3 carbon compound).

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