NEET Biology question

Biology Photosynthesis in Higher Plants NEET

During a laboratory experiment, the thylakoid membrane is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. This damage will have a direct effect on

(A)ATP formationCorrect
(B)Absorption of light
(C)Flow of electrons from PS-I to PS-II
(D)All of the above

Answer: (A)

Solution

Puncturing the thylakoid membrane abolishes the separation between lumen and stroma, collapsing the proton gradient (since protons can now freely equilibrate); since ATP synthesis depends entirely on this gradient

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Question ID VK-128444