Through redox reactions, NADPH donates protons and electrons, turning into NADP+. The oposite reaction is NADP+ receiving 1H⁺ and 2e⁻ to form NADPH.
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The coenzyme NADPH is named Nicotinamide adenine dinucleotide phosphate. It plays a significant role, during carbohydrates synthesis, in photosynthetic organisms.
During photosynthesis, NADPH is used to assimilate CO₂. The molecule is formed by using the light energy in the electron transporter chain. After that, as a highly energetic molecule, it helps to impulse the Calvin cycle. In posterior reactions, it helps to produce carbohydrates. These molecules are also involved in cell metabolism, providing protons and electrons.
NADP is the most abundant coenzyme in cells, and its most frequent form is NADPH.
This is a REDOX reaction,
⇒ NADP+ reduces and turns into NADPH,
⇒ NADPH oxidizes and turns into NADP+
NADPH ⇆ NADP+ + H⁺ + 2e⁻
During the chemical reaction, NADPH donates H⁺ and e⁻, being categorized as a reductant agent.
The oposite reaction is NADP+ receiving one H⁺ and two e⁻ to turn into NADPH.
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