NEET Botany Calvin Cycle Assertion Reason Question
Assertion (A): The Calvin cycle requires ATP for both the reduction and regeneration phases. | Reason (R): ATP is used only in the carboxylation step of the Calvin cycle.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
The Calvin cycle uses ATP in the reduction phase for phosphorylation and in the regeneration phase for forming RuBP, not just in the carboxylation step.
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