The Cyclic Photophosphorylation is a process of Photophosphorylation in which an electron expelled by the excited Photocentre is returned back to it after passing through a series of electron carriers(03BB 2265 700 nm). B. Noncyclic Electron Pathway (*SPLITS WATER, PRODUCES NADPH & ATP) 1. B) The O2 released during photosynthesis comes from water. 19. This involves the splitting of the water molecule in oxygen and hydrogen protons (H +), a process known as photolysis.Subsequently, a continuous unidirectional flow of electron from water to PSI is performed (Fig. Under certain conditions, the photoexcited electrons take an alternative path called cyclic electron flow, which uses photosystem I (P700) but not photosystem II (P680). 1) water, ADP and NADP , 2) O2, ATP and NADPH , 3) carbon dioxide, ATP and water, 4) carbon dioxide, PGAL (phosphoglyceraldehyde), and H2 , 5) NULL In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is In oxygenic photosynthesis, water is split in order to provide the Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation? D) The light reactions of photosynthesis provide the energy for the Calvin cycle. Here the phosphorylation occurs in the presence of light and therefore termed as photophosphorylation. Non-cyclic Electron Transport in Photosynthesis Photophosphorylation refers to the use of light energy to ultimately provide the energy to convert ADP to ATP, thus replenishing the universal energy currency in living things.In the simplest systems in prokaryotes, photosynthesis is used just for the production of energy, and not for the building of any biological molecules. The ATP generated in this process will provide the energy for the synthesis of glucose during the Calvin cycle (light independent reactions). b. two 19) Photoautotrophs use light energy directly for a. the production of ATP and NADPH 20) During translation elongation, which event … Which of the following statements correctly describes the energy and electrons during this process?.. During non-cyclic photophosphorylation, the electrons released by P700 are carried by primary acceptor and are finally passed on to NADP. Photophosphorylation is the conversion of ADP to ATP using the energy of sunlight by activation of PSII. As electron move down the chain, their lower energy level is harnessed by the thylakoid membrane to produce ATP (by chemiosmosis) called non-cyclic photophosphorylation. 20.When the light-harvesting complex absorbs light energy, it is eventually passed to P68o which emits an electron. Let us have a look at the important differences between cyclic and non-cyclic photophosphorylation. The correct sequence of events during noncyclic photophosphorylation is photosystem II -> ATP production -> photosystem I -> NADPH production How many turns of the Calvin cycle are needed to produce 30 molecules of glyceraldehyde-3-phosphate? E) When chlorophyll is reduced, it gains electrons. 3.5).Electrons move spontaneously from donor to acceptor … Here, the electrons combine with the protons – H+ which is produced by splitting up of the water molecule and reduces NADP to NADPH2. The correct sequence of events during noncyclic photophosphorylation is.. Photosystem II → ATP production → photosystem I → NADPH production. 17) In the process of noncyclic photophosphorylation d. all of the choices are correct 18) Lipopolysaccharide is comprised of three moieties (lipid A, core oligosaccharide, and O-antigen) which require _____ biosynthetic pathway(s). This process of ATP production is called non-cyclic photophosphorylation. C) RuBP is produced during cyclic electron flow in the light reactions of photosynthesis. ATP production during photosynthesis is sometimes called photophosphorylation; therefore these pathways are also known as cyclic and noncyclic photophosphorylation. 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