In photosynthesis,what is the role of water (H₂O) ?
A) It accepts electrons liberated from the reaction centre of photosystem I.
B) It donates electrons to replace lost electrons in the reaction centre of photosystem II.
C) It provides the necessary H+ ions needed to reduce glyceraldehyde-3-phosphate (G3P) .
D) It provides O2,the terminal electron acceptor for the electron transport chain.
E) It allows cyclic photophosphorylation to occur when ATP levels are low in the stroma.
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