Photosynthesizing plants rely on water to
a) replace electrons that are excited by light energy and passed from molecule to molecule down and electron transport chain
b) replenish oxygen molecules that are lost during photosynthesis
c) provide the protons necessary to produce chlorophyll
d) concentrate the beams of light hitting a leaf, focusing then on the reaction center
e) serve as a high-energy electron carrier
Answer: a) replace electrons that are excited by light energy and passed from molecule to molecule down and electron transport chain
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