Biology
General
Easy
Question
In dark reaction, regeneration of RuBP needs
- 2 molecule of ATP
- 1 molecule of ATP
- 3 molecule of ATP
- 4 molecule of ATP
The correct answer is: 1 molecule of ATP
The Calvin cycle proceeds in three stages (1) carboxylation, during which
combines with ribulose 1, 5-bisphosphate; (2) reduction, during which carbohydrate are formed at the expense of the photochemically made ATP and NADPH; and (3) regeneration during,
acceptor is ribulose 1, 5-bisphosphate is formed again so that the cycle continues. Regeneration of the
acceptor molecule, RuBP is crucial if the cycle is to continue uninterrupted. The regeneration steps require one ATP for phosphorylation to form RuBP
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