Suppose a mutation caused photosystem I to function at only 10 percent of its normal capacity. Which of the following would you predict would happen? A)The rate of oxygen production would decrease. B)The pH of the thylakoid lumen would be higher than normal. C)NADP⁺ reductase activity would decrease. D)ATP production would increase.

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Quizplus · Accepted Answer

Photosystem I is responsible for the reduction of NADP+ to NADPH. If its capacity is reduced, NADP+ reductase activity would decrease due to less availability of electrons from photosystem I.

Suppose a Mutation Caused Photosystem I to Function at Only