Multiple choice

Which of the following processes is most directly driven by light energy?

  1. Creation of a pH gradient by pumping protons across thethylakoid membrane

  2. Carbon fixation in the stroma

  3. Reduction of NADP molecules

  4. Removal of electrons from chlorophyll molecules

  5. ATP synthesis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chlorophyll absorbs a photon of light molecule causing the electrons to become excited and move to a higher energy level.

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