Chloroplast pigments responsible for trapping light energy reside in the
AThylakoid membranes
BStroma without membranes
CLumen of the inner space
DOuter membrane
Answer & Solution
Correct answer: A. Thylakoid membranes
Chlorophyll and accessory pigments are embedded in the thylakoid membranes as photosystem complexes. The stroma houses Calvin-cycle enzymes; the lumen of the thylakoids accumulates protons during light reactions.
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