Answer :
Final answer:
In the Calvin Cycle of photosynthesis, to regenerate RuBP from 5 G₃P molecules, three ATP molecules are required. This regeneration step uses the energy from ATP to convert G₃P into RuBP.
Explanation:
In the Calvin Cycle, 5 G₃P (Glyceraldehyde-3-phosphate) molecules are converted back to 3 RuBP (ribulose-1,5-bisphosphate) molecules.
This step in the cycle is known as Regeneration.
For this process, it requires three molecules of ATP (Adenosine triphosphate).
These ATP molecules provide the required energy for the conversion.
Therefore, to regenerate RuBP from 5 G₃P molecules, three ATP molecules are needed.
It's essential to note that the Calvin Cycle plays a fundamental role in the process of photosynthesis as it uses the energy from ATP and NADPH to convert carbon dioxide into the sugar glucose.
Learn more about Calvin Cycle here:
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