AP Biologymediummcq1 pt

RuBP regeneration in the Calvin cycle means that

A.most G3P is recycled so the cycle continues
B.all G3P leaves as sugar
C.CO₂ is released back to the air
D.NADPH is regenerated from NADP⁺

Explanation

Core Concept

Five of every six G3P molecules are rearranged back into RuBP using ATP; only the sixth exits as product. Regeneration keeps the cycle spinning.

Correct Answer

Amost G3P is recycled so the cycle continues

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