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NADPH


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Definition of NADPH :
The reduced form of nicotinamide adenine dinucleotide phosphate that serves as an electron carrier.
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NADPH oxidase (in both type of phagocytes)
myeloperoxidase (in neutrophils only)
ROS Activity
Strong oxidants like the various ROS can damage other molecules and the cell structures of which they are a part.
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NADPH and ATP are used to synthesize organic molecules from CO2. The ratio of NADPH to ATP production can be adjusted by adjusting the balance between cyclic and noncyclic electron transport.
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The NADPH is the main reducing agent in cells, providing a source of energetic electrons to other reactions. This leaves chlorophyll with a deficit of electrons, which must be obtained from some other reducing agent.
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NADP+ + 2H NADPH + H+
NADP+ is similar to NAD+ in that it can carry two electrons. One of the electrons is contained within a hydrogen atom, the other is removed from a hydrogen atom and the remaining proton is released..
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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 ...
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pentose phosphate pathway A pathway involved in the oxidation of glucose and is a source of reducing equivalents (NADPH) and pentoses for biosynthetic processes; present in most organisms.
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eNOS is present in membrane caveolae and the cytosol and requires tetrahydrobiopterin, NADPH, FAD and FMN as additional cofactors for its activity.
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dark reaction - in photosynthesis, the ATP and NADPH are used to drive a series of Acarbon-fixation@ reactions in which CO2 from the air is used to form sugar molecules.
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The carbon-fixing reactions of the second stage of photosynthesis; energy stored in ATP and NADPH by the light-dependent reactions is used to reduce carbon from carbon dioxide to simple sugars; light is not required for these reactions.
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light reaction that part of the photosynthetic process that, in the presence of light, captures energy to form ATP and NADPH2 to be used to synthesize complex organic molecules in the dark reaction
lignification Impregnated with lignin.
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