APFIVE Photosynthesis Electron Transport Chain Disruption
In an experiment, isolated chloroplasts are illuminated in a solution containing NADP+ but lacking plastoquinone, a critical electron carrier in the thylakoid membrane. Which of the following best predicts the outcome of this experiment?
A
NADPH production continues normally via PSI
B
ATP synthesis increases due to proton gradient buildup
C
Oxygen evolution increases to compensate
D
Electrons accumulate in PSII with minimal NADPH formation
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