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Calvin Cycle Energy Inputs
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AP Biology
APB.191 Calvin Cycle Energy Inputs
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A severe shortage of NADP+ develops in illuminated chloroplasts because the Calvin cycle is not oxidizing NADPH back to NADP+. Which effect is most likely?
A
The Calvin cycle speeds up because NADP+ directly adds carbon to RuBP.
B
Linear electron flow slows because NADP+ is needed to accept electrons and form NADPH.
C
ATP immediately becomes NADPH by losing its phosphate groups.
D
CO2 is split to regenerate NADP+ and release glucose.
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