With reference to three Calvin cycles, which of the given options is correct for the following question?
I) How many gross PGAL molecules are produced
II) Total how many ATP molecules are required for synthesis of PGAL molecules?
III) Total, how many NADPH2 molecules are required for the synthesis of obtained PGAL
molecules.

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I-3 PGAL, II-3 ATP, III-3 NADP H₂

I-9 PGAL, II-9 ATP, III-9 NADPH₂

I-6 PGAL, II-6 ATP, III-6 NADP H₂

I-18 PGAL II-18 ATP, III -18 NADPH₂

answer is B.

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Detailed Solution

One Calvin cycle one molecule of carbon dioxide is react with five molecule of ribulose 5 phosphate to for 2 molecules of PGA (3-Carbon compound) later these two molecules of PGA converted into two molecules of PGAL(Glyceraldehyde-3-phosphae) in this process 2 molecules of PGAL, 2ATP and 2NADPH are utilized. Hence for three calvin cycles require 3PGAL, 6ATP and 2NADPH.

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