According to this figure, how do hydrogen ions make their way from the stroma to the thylakoid interior?


A) through photosystem I
B) through an electron transport chain molecule
C) through the ATP synthase
D) directly through the phospholipids of the thylakoid membrane


Answer: B

Biology & Microbiology

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Fill in the blank(s) with the appropriate word(s).

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Which of the following is not a characteristic of salps?

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A group consisting of a common ancestor and all of its descendants is a

A. order. B. phylum. C. species. D. clade. E. genus.

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You sit next to Uncle Ed, an immunologist, at Thanksgiving dinner. "I'm a 'big eater'," he says, "just like the cells I study." What are the large cells that engulf pathogens that Uncle Ed works with?

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