During which phase of the Calvin cycle are 5 molecules of G3P converted to 3 molecules of RuBP?

5 molecules of G3P are converted to 3 molecules of RuBP in the Regeneration phase of the Calvin cycle. This phase allows the cycle to continue by preparing compounds for the next round.

Explanation:

During the Calvin cycle, 5 molecules of G3P (Glyceraldehyde 3-phosphate) are converted to 3 molecules of RuBP (Ribulose 1,5-bisphosphate) during the Regeneration phase. This is essentially the last phase of the Calvin cycle. After being made in the first two phases, the five G3P molecules go through a series of enzymatic reactions to regenerate 3 molecules of RuBP. The regenerated RuBP molecules can then reenter the Calvin cycle in the next round, allowing the process to continue.

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