Answer :
Final answer:
The Calvin Cycle requires 15 ATP molecules to regenerate Ribulose biphosphate (RuBP) from five Glyceraldehyde 3-phosphate (G3P) molecules.
Explanation:
The Calvin Cycle is a part of photosynthesis, a process that plants use to convert sunlight into chemical energy. The question at hand specifically asks about the amount of ATP needed to regenerate Ribulose biphosphate (RuBP) from five Glyceraldehyde 3-phosphate (G3P) molecules. For every G3P molecule, 3 ATPs are required, as G3P must undergo a series of reactions to transform back into RuBP. Since there are five G3P molecules involved, we multiply this number by 3, and find that, in total, you will need 15 ATP molecules for 5 G3P molecules to be regenerated into RuBP in the Calvin Cycle.
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