Use the following to answer the following questions.
Exposing inner mitochondrial membranes to ultrasonic vibrations will disrupt the membranes. However, the fragments will reseal "inside out." These little vesicles that result can still transfer electrons from NADH to oxygen and synthesize ATP. If the membranes are agitated still further however, the ability to synthesize ATP is lost.
-It should be possible to reconstitute the abilities of the vesicles if which of the following is added?

Question

Quizplus · Accepted Answer

The passage states that the vesicles resulting from disrupted inner mitochondrial membranes can still transfer electrons and synthesize ATP. However, further agitation can result in the loss of ATP synthesis. Therefore, the addition of intact ATP synthase (choice E) would be necessary to reconstitute the ability to synthesize ATP. The other choices (cytochromes, extra NADH, a second membrane surface, and more electrons) are not sufficient to restore ATP synthesis.

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