The O2 found in Earth's atmosphere is generated from photosystem _______ of noncyclic photophosphorylation, with P680 chlorophylls at its reaction center.
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Q84: The following half-reaction is used to
Q85: During the light reactions of photosynthesis, the
Q86: The light-independent reactions cannot run without the
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A) uses 100 percent of the sunlight
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Q90: Refer to the diagram below. 
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