First slide

The Electron Transport

Question

The site of high proton concentration in a chloroplast during photosynthesis is

Easy

A

Stroma
B

Periplastidial space
C

Lumen
D

Matrix

Solution

During photosynthesis, there is high concentration of protons in the lumen of thylakoids of chloroplasts because there is pumping of more protons from stroma to lumen due to Q cycle operation and photolysis of water in lumen.

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