Where does the energy come from to pump protons into the thylakoid space (A) The sugar

(B) Excited electrons

(C) ATP

(D) Enzymes

C) ATP

Explanation:

Energy from light is used by the chloroplast electron transport chain to pump protons across the thylakoid membrane into the lumen of the thylakoid. This creates a proton gradient that is used as a source of energy by ATP synthase.

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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