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C4/ Hatch and Slack Pathway

Which process...

Question

Which process is most directly driven by light energy?

A

creation of a pH gradient by pumping protons across the thylakoid membrane

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B

carbon fixation in the stroma

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C

reduction of NADP+ molecules

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D

removal of electrons from chlorophyll molecules

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Solution

The correct option is D
removal of electrons from chlorophyll molecules

Absorption of light in the form of photons causes the photoexcitation of chlorophyll molecules.

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C4/ Hatch and Slack Pathway

Standard XII Biology

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