What is the difference between NADPH and NADH?

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Solution

NADPH:
Nicotinamide adenine dinucleotide phosphate (NADP⁺) is a cofactor used in the Calvin cycle and assimilation reactions such as lipid and nucleic acid synthesis that require NADPH as a reducing agent. NADPH is an induced form of NADP⁺.
NADH:
Nicotinamide adenine dinucleotide is a coenzyme that plays a central role in metabolism.
NAD is found in all living cells and is called a dinucleotide because it is composed of two nucleotides linked by a phosphate group.

NADPH NADH
Definition: NADPH is a reduced form of NADP⁺. It is used in assimilation reactions such as lipid and nucleic acid synthesis that require NADPH as a reducing agent. It serves as a basic metabolite and cofactor.
Definition: NADH is an abbreviation for "nicotinamide adenine dinucleotide (NAD⁺) hydrogen (H)". This chemical is naturally occurring in the body and plays a role in the chemical processes that generate energy.
2. NADPH is a reduced version of NADP⁺. 2. The reduced form of NAD⁺ is NADH.
3. NADH participates in cellular respiration. 3. NADPH participates in photosynthesis.
4. NADPH has an additional phosphate group. 4. An extra phosphate group is absent here.

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