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Question
How many molecules of ATP and NADPH are used to from one molecule of glucose through C3 pathway?
How many molecules of ATP and NADPH are used to from one molecule of glucose through C3 pathway?
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Solution
The correct option is B 18, 12
It takes six turns of the Calvin cycle or the (C_3\) cycle to fix six carbon atoms from CO2 into a molecule of glucose. These six turns require energy input from 12 ATP molecules and 12 NADPH molecules in the reduction step and 6 ATP molecules in the regeneration step, making it into a total of 18 ATP molecules and 12 NADPH molecules.
It takes six turns of the Calvin cycle or the (C_3\) cycle to fix six carbon atoms from CO2 into a molecule of glucose. These six turns require energy input from 12 ATP molecules and 12 NADPH molecules in the reduction step and 6 ATP molecules in the regeneration step, making it into a total of 18 ATP molecules and 12 NADPH molecules.
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