Cyanobacteria are the only prokaryotic phototrophs that Choose one or more: A. have both PSII and PSI B. can use H2O as an electron donor. C. evolve oxygen as a result of photolysis. D. create a from the flow of photoexcited electrons. E. can fix CO2 into biomass F. can use photoexcited electrons to reduce NAD(P)".

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