Difference between the NADP and NADPH2

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Solution

NADH stands for Nicotinamide Adenine Dinucleotide Hydrogen. NADPH2 stands for Nicotinamide Adenine Dinucleotide Phosphate.

NADH NADPH2

NADH is the reduced form of NAD+. It takes part in metabolic reactions which involve the reduction process. NADPH2 is acting as a coenzyme. It has an additional phosphate group at the 2nd position of the ribose ring in the adenine.

NADH gets oxidized when it reduces any other compound. This is a cyclic process of oxidation-reduction. NADPH2 is acting as a coenzyme. It has an additional phosphate group at the 2nd position of the ribose ring in the adenine.

NADH is observed in many reactions of the citric acid cycle. It acts as a coenzyme for many alcohol dehydrogenase enzymes. NADPH2 also acts as a reducing agent. It is mainly used in anabolic reactions. It is useful in lipid synthesis.

NADH is used in catabolic reactions. It is involved in electron transport process. NAD+ + H+ + 2e -------->NADH NADPH2 is released mainly in the Pentose phosphate pathway. NADPH is formed in the last step of photosynthesis.

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N A D P H_{2}

	Light reaction	Dark reaction
i	These are also called as biosynthetic phase	These are also called as photochemical phase
ii	These reaction occur over thylakoids.	These reaction occur in stroma of chloroplasts.
iii	These produce assimilatory power i.e. $N A D P H_{2}$ and ATP	These consume $N A D P H_{2}$ and ATP.
iv	These are direction dependent upon light.	These depend upon the products synthesised during light reaction

What is NADPH₂

N A D H_{2} / N A D P H_{2}

N A D P H_{2}

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NADH	NADPH2
NADH is the reduced form of NAD+. It takes part in metabolic reactions which involve the reduction process.	NADPH2 is acting as a coenzyme. It has an additional phosphate group at the 2nd position of the ribose ring in the adenine.
NADH gets oxidized when it reduces any other compound. This is a cyclic process of oxidation-reduction.	NADPH2 is acting as a coenzyme. It has an additional phosphate group at the 2nd position of the ribose ring in the adenine.
NADH is observed in many reactions of the citric acid cycle. It acts as a coenzyme for many alcohol dehydrogenase enzymes.	NADPH2 also acts as a reducing agent. It is mainly used in anabolic reactions. It is useful in lipid synthesis.
NADH is used in catabolic reactions. It is involved in electron transport process. NAD+ + H+ + 2e -------->NADH	NADPH2 is released mainly in the Pentose phosphate pathway. NADPH is formed in the last step of photosynthesis.