Which of the following statements concerning Z-scheme photosynthesis is TRUE?
A)Water is reduced by a Mn-containing cluster.
B)Electrons are carried by lipid-soluble plastoquinones,which participate in a Q cycle.
C)Ferredoxin oxidizes NADPH.
D)Transfer occurs stepwise from PSI to PSII with increasing potential.
E)A proton gradient is not generated to drive ATP synthesis.

Question

Quizplus · Accepted Answer

Plastoquinones are lipid-soluble molecules that carry electrons in the Z-scheme of photosynthesis, participating in a Q cycle to transfer electrons between photosystem II and the cytochrome b6f complex.

Which of the Following Statements Concerning Z-Scheme Photosynthesis Is TRUE