buckaroo6188 buckaroo6188

16-03-2020
Biology

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In the Z-scheme is the initial electron donor and is the final electron acceptor. A. Water; NADP B. NADPH; oxygen C. Water; oxygen D. ATP; carbon dioxide

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jahanvi567 jahanvi567

17-03-2020

Water;NADP is the correct option

Explanation:

Z scheme also known as non cyclic electron flow which starts with the absorption of light by photosystem II

Z scheme involves both photosystem(PS) I and photosystem(PS) II
Water becomes oxidized and oxygen gas is released/evolved as a result NADP+ gets reduced and produces NADPH
Oxidation of water and release of protons in lumen is done by PSII whereas reduction of NADP+ to NADPH is done by PSI
Oxidation of water molecule establish gradient of proton and this gradient drives synthesis of ATP

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