PHOTOSYNTHESIS
C 4 PHOTOSYNTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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proton pump
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hydrogen ion gradient
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electron energy from photosystem II
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NADPH donating electrons
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Detailed explanation-1: -This is accomplished by the use of two different photosystems in the light reactions of photosynthesis, one to generate ATP and the other to generate NADPH. Electrons are transferred sequentially between the two photosystems, with photosystem I acting to generate NADPH and photosystem II acting to generate ATP.
Detailed explanation-2: -So NADH is not a product of the light reaction of photosynthesis.
Detailed explanation-3: -ATP and NADPH are used to convert the six molecules of 3-PGA into six molecules of a chemical called glyceraldehyde 3-phosphate (G3P). That is a reduction reaction because it involves the gain of electrons by 3-PGA. Recall that reduction is the gain of an electron by an atom or molecule.
Detailed explanation-4: -Answer and Explanation: The correct answer is option C. The light-dependent reaction of photosynthesis does not use ATP and NADPH in any of its processes.