Which chloroplast compartment–process association is mismatched?
- AThylakoid lumen — principal site of RuBisCO-mediated CO₂ fixation in the Calvin cycle.
- BGrana — stacks of thylakoids.
- CStroma — contains enzymes of the biosynthetic carbon-fixation reactions.
- DThylakoid membranes — house pigments and electron carriers of the light reactions.
✓ Correct answer: A
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