Excited chlorophyll Electron Proton gradient formed for ATP carrier synthesis Excited NADP chlorophyll Electron e reductase carrier (NADPH NADP+ Reaction- center Proton pump Electron chlorophyll carrier Reaction- Radiant center chlorophyll energy Water-splitting Radiant enzyme 2 (H20 energy 4 H+ + 0, Photosystem I Proton pump Photosystem I NADP reductase O FIGURE 6.26 The Tandem Photosystems of Cyanobacteria and Chloroplasts Radiant energy captured by antennae pigments excites a reaction-center chlorophyll, causing it to emit a high-energy electron, which is then passed to an electron transport chain. In cyclic photophosphorylation, electrons emitted by photosystem I are returned to that photosystem; the path of the electrons is shown in green arrows. In non-cyclic photophosphorylation, the electrons used to replenish photosystem I are donated by radiant energy-excited photosystem Il; the path of these electrons is shown in orange arrows. In turn, photosystem Il replenishes its own electrons by stripping them from water, producing O2. Energy of electrons

Q: What is the benefit of Photorespiration in plants and what problem does it pose in many plants?

A: The photorespiration is the process of plant metabolism in which the enzyme Ribulose- 1,…

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Q: Where do the light-dependent reactions take place?

A: Photosynthesis is the process by which green plant make their own food in the presence of light.

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Q: does the process of photorespiration waste atp

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Q: Which of the following is TRUE about CAM photosynthetic pathway? Compared to the C3 and C4 pathways,…

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Q: what Are photosystems enzymes?

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