Read the following statements.
Statement A: NADP reductase enzyme is located on the stroma side of the membrane.
Statement B: For C₄ plants, the primary CO₂ acceptor is a 3C molecule, PEP, and is present in the mesophyll cells.
In the light of the above statements, choose the correct answer from the options given below.

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Both statements A and B are true

Both statements A and B are false

Statement A is true but statement B is false

Statement A is false but statement B is true

answer is A.

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Detailed Solution

NADP reductase, also known as NADPH:quinone oxidoreductase, is an enzyme that plays a crucial role in the photosynthetic electron transport chain. NADP reductase is primarily associated with the thylakoid membrane towards the stroma side. C₄plants have evolved a specialised mechanism to increase the efficiency of CO₂ fixation, particularly in conditions of high temperature and intense sunlight. This mechanism involves the initial fixation of CO₂ into a four-carbon compound before it is transported to the bundle-sheath cells, where the calvin cycle takes place.

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