Biology Chapter 10
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Biology Chapter 10
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Free Flashcard From Biology Chapter 10
Question:
Which statement describes the functioning of photosystem II?
A) Light energy excites electrons in the electron transport chain in a photosynthetic unit.
B) The excitation is passed along to a molecule of P700 chlorophyll in the photosynthetic unit.
C) The P680 chlorophyll donates a pair of protons to NADPH, which is thus converted toNADP+.
D) The electron vacancies in P680 are filled by electrons derived from water.
E) The splitting of water yields molecular carbon dioxide as a by-product.
Answer:
D) The electron vacancies in P680 are filled by electrons derived from water.