Cyanobacteria are the only prokaryotic phototrophs that
Choose one or more:
A. have both PSII and PSI.
B. can use [tex]\mathrm{H}_2 \mathrm{O}[/tex] as an electron donor.
C. evolve oxygen as a result of photolysis.
D. create a [tex]\Delta[/tex] p from the flow of photoexcited electrons.
E. can fix [tex]\mathrm{CO}_2[/tex] into biomass.
F. can use photoexcited electrons to reduce [tex]N A D(P)^{+}[/tex].
