Single Choice

Energy released during movement of electrons through the photosystems in photosynthesis is used to drive protons across the membrane against concentration gradient. As a result the protons accumulate in

Athylakoid lumen
Correct Answer
Bstroma of chloroplast
Cmatrix of mitochondrion
Dnone of these

Solution

Energy released during movement of electrons through the photosystems in photosynthesis is used to drive protons across the membrane against concentration gradient. As a result the protons accumulate in thylakoid lumen. The thylakoid lumen plays an important role for photophosphorylation during photosynthesis.
Thus, the correct answer is 'thylakoid lumen.'

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