what is the role of nadp+ in photosynthesis?
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Biology Ch 8 Photosynthesis Study Guide What role do plant pigments plan in the process of photosynthesis? They gather the sun's energy Explain the role of NADP+ as an energy carrier in photosynthesis. It transfers high-energy electrons from chlorophyll to other molecules. What is the role of ATP synthase?
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What Is Nadph in Photosynthesis? Photosynthesis is the process by which plants take light energy, water and carbon dioxide and convert it to sugar and oxygen. This is done in two cycles, a Light Dependent Cycle and a Light Independent Cycle.Both the ATP and the NADPH are used to convert the carbohydrates created in the Light Dependent Cycle to C-C bond energy. This is done in the Light Independent Cycle, or the dark reaction cycle.oth the ATP and the NADPH are used to convert the carbohydrates created in the Light Dependent Cycle to C-C bond energy. This is done in the Light Independent Cycle, or the dark reaction cycle.
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- Nicotinamide adenine dinucleotide (NAD+) is an essential metabolite in all human cells. It plays a key role in cellular metabolism within the “powerhouses of the cell”, the mitochondria.
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- Next, six NADPH electron carriers from the light reactions carry electrons to this Calvin cycle. They are oxidized to NADP+, donating electrons to the carbon molecules, which then become reduced. This results in six super energetic 3-carbon molecules called glyceraldehyde-3-phosphate, or G3P.
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Meaning of NADH in biology? In metabolism, nicotinamide adenine dinucleotide is involved in redox reactions, carrying electrons from one reaction to another. The coenzyme is, therefore, found in two forms in cells: NAD+ is an oxidizing agent – it accepts electrons from other molecules and becomes reduced.
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Enzyme Activity in Photosynthesis In the Calvin cycle, ATP and NADPH are used to reduce, or fix, carbon dioxide to produce glucose. This carbon fixation reaction is catalyzed by an enzyme called RUBISCO, a highly abundant protein in plants and possibly the most abundant protein on Earth.
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What compound provides the reducing power for the calvin cycle reactions? a. atp b. nad+ c. nadh d. nadp+ e. nadph? NADPH provides the reducing power for the Calvin cycle reactions. Calving cycle is a series of chemical reactions which take place in the chloroplast during the photosynthesis reaction. The reactions occur in the dark and it involves using NADPH as a reducing agent which add high energy electrons to carbon dioxide to form sugar.
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PHOTOSYNTHESIS Photosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar, which cellular respiration converts into ATP, the fuel used by all living things.he role of NADPH in oxygen-producing photosynthesis is to ____. a) supply hydrogen to the carbohydrate; b) supply carbon to the carbohydrate; c) supply energy that can be used to form a carbohydrate; d) transfer oxygens from the third phosphate group to the carbohydrate molecule; e) convert RuBP into PGA. 29.
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Photosynthesis In the Calvin cycle, atmospheric carbon dioxide is incorporated into already existing organic carbon compounds, such as ribulose bisphosphate (RuBP). Using the ATP and NADPH produced by the light-dependent reactions, the resulting compounds are then reduced and removed to form further carbohydrates, such as glucose.
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What is the function of NADPH? NADPH is a chemical compound which gives hydrogen atom for the formation of the carbohydrate in the dark reactions of the photosynthesis. Photosynthesis is completed in two steps: Light reactions dark reactions Another explanation: NADPH provides a source of hydrogen for reduction reactions in photosynthesis.
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- Photosynthesis has two parts: 1  The Light Reaction captures light with chlorophyll. It uses that to convert ADP into ATP, and NADP+ into NADPH. 2  The Dark Reaction does the work of making sugar. It breaks ATP back down into ADP and NADPH back into NADP+ as its energy source.
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Nicotinamide adenine dinucleotide phosphate In plants [edit]. In photosynthetic organisms, NADPH is produced by ferredoxin-NADP+ reductase in the last step of the electron chain of the light reactions of photosynthesis.It is used as reducing power for the biosynthetic reactions in the Calvin cycle to assimilate carbon dioxide.icotinamide adenine dinucleotide phosphate, abbreviated NADP+ or, in older notation, TPN (triphosphopyridine nucleotide), is a cofactor used in anabolic reactions, such as lipid and nucleic acid synthesis, which require NADPH as a reducing agent. NADPH is the reduced form of NADP + .
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Biology book1 NADPH is the source of electrons for glucose biosynthesis. C. ATP is the energy source for glucose biosynthesis. ~ , an electron acceptor, provides reducing power via energized electrons to the Calvin cycle. Water is split in the process, and O2 is released as a by-product.ADPH provides the reducing equivalents for biosynthetic reactions and for oxidation-reduction involved in protection against the toxicity of ROS (re active oxygen species). NADPH is also used for anabolic pathways, such as fatty acid synthesis, cholesterol synthesis and fatty acid chain elongation.
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- When NAD is reduced, NADH is the result. The biochemistry involved can be complex. But to simplify, NAD+ has a number of functions within and outside of cells – most notably it acts as an electron transport vehicle for energy production within the cells’ mitochondria. On top of that, NAD+ activates sirtuins.
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PHOTOSYNTHESIS The role of NADPH in oxygen-producing photosynthesis is to ____. a) supply hydrogen to the carbohydrate; b) supply carbon to the carbohydrate; c) supply energy that can be used to form a carbohydrate; d) transfer oxygens from the third phosphate group to the carbohydrate molecule; e) convert RuBP into PGA. 29.
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- A) Light energy excites electrons in the thylakoid membrane electron transport chain. B) Photons are passed along to a reaction-center chlorophyll. C) The P680 chlorophyll donates a pair of protons to NADP⁺, which is thus converted to NADPH. D) The electron vacancies in P680⁺ are filled by electrons derived from water. E) The splitting of water yields molecular carbon dioxide as a by-product.
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What is the role of NADH in cellular respiration? The cellular respiration of all living cells make use of coenzyme nicotinamide adenine dinucleotide(NADH). It plays a key role in energy metabolism by accepting and donating electrons. NADH contributes to oxidation in cell processes like glycolysis to help with the oxidation of glucose. The energy stored in this reduced coenzyme NADH is supplied by the TCA cycle in the process of aerobic cellular respiration and powers the electron transport process in the membranes of mitochondria.
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Photosynthetic Cells During this process, also known as carbon fixation, energy from the ATP and NADPH molecules generated by the light reactions drives a chemical pathway that uses the carbon in carbon dioxide (from the atmosphere) to build a three-carbon sugar called glyceraldehyde-3-phosphate (G3P).
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Bio Photosynthesis and Photorespiration NADPH. Nicotinamide adenine dinucleotide phosphate, Electron/H+ carrier, Transports high energy electrons and Hydrogen ions around during photosynthesis, Like a school bus-picks up at point A, drops off at point B, NADP + e.
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Photosynthesis and Respiration What is water's role in the light reaction of photosynthesis? Provide e- to the ETC + H+ to proton pumps to make ATP and NADPH What is the electric transport chain?
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Photosynthesis NADP is an oxidizing agent that ____ electrons to become reduced during photosynthesis. accepts During the general process of photosynthesis, the energy from light is used to accomplish the oxidation of water.
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BIOLOGY question? The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle. In another form of the light reactions, called cyclic photophosphorylation, electrons follow a different, circular path and only ATP (no NADPH) is produced.
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What Is the Role of H2O in Photosynthesis? The role of H2O, or water, in photosynthesis, is essential to ATP, which is the energy process that drives photosynthesis. It is also important in the making of food; hydrogen atoms found in water... The role of H2O, or water, in photosynthesis, is essential to ATP, which is the energy process that drives photosynthesis.
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AP Bio Photosynthesis 2.) The O2 is released (we breathe it) and the H+ bonds to NADP+ creating NADPH 3.)ATP is formed through photophosphorylation. (ADP gets a phosphate group added to it creating ATP) 4.) The NADPH and the ATP created here go on to fuel the reactions in the second part of photosynthesis-The Calvin Cycle.
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