NADH
NADH (pronounced as en-ay-dee-eych) is an abbreviation for Nicotinamide Adenine Dinucleotide (reduced).
Pronunciation
- IPA: /ˌɛnˌeɪˌdiːˈeɪtʃ/
Etymology
The term NADH is derived from its full name, Nicotinamide Adenine Dinucleotide (reduced). The term "Nicotinamide" is derived from niacinamide, a form of Vitamin B3, and "Adenine" is one of the two purine nucleobases used in forming nucleotides of the nucleic acids DNA and RNA. The "H" in NADH stands for "reduced", indicating that the molecule has gained electrons (a process known as reduction).
Definition
NADH is a coenzyme found in all living cells. It plays a crucial role in the production of energy through redox reactions. NADH is involved in cellular respiration, where it serves as an electron carrier by being oxidized to NAD+ and reduced back to NADH.
Related Terms
- NAD+: The oxidized form of NADH. It accepts electrons from other molecules and becomes reduced to NADH.
- Cellular Respiration: A set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.
- Coenzyme: A non-protein compound that is necessary for the functioning of an enzyme.
- Redox Reactions: A type of chemical reaction that involves a transfer of electrons between two species.
See Also
External links
- Medical encyclopedia article on NADH
- Wikipedia's article - NADH
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