PHOTOSYNTHESIS
THE CALVIN CYCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many PGALs molecules make one molecule of glucose?
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1
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2
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3
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4
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Explanation:
Detailed explanation-1: -Respiration of one molecule of glucose or 2 PGAL produces 38 ATP molecules, thus, of 6 PGAL will produce 114 ATP molecules.
Detailed explanation-2: -PGA is a 3 carbon compound. ATP and NADPH react with PGA to form PGAL. PGAL is a 3 carbon compound. Two PGAL combine to form a glucose.
Detailed explanation-3: -3) 2 PGALs are required to make one glucose molecule.
Detailed explanation-4: -Two turns are needed because glycolysis produces two pyruvate molecules when it splits glucose. Figure 5.9.
Detailed explanation-5: -Every three turns of Calvin cycle, five molecules of PGAL are used to re-form three molecules ofRuBP.
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