| N |
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noun
- The fourteenth letter of the Appendix:Roman script, English alphabet, preceded by M and followed by O.
abbreviation
- (military) Navy
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| NAD |
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initialism
- nicotinamide adenine dinucleotide
- nothing abnormal discovered - used frequently in medical test results
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| NADP |
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initialism
- nicotinamide adenine dinucleotide phosphate
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| niacin |
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noun
- (vitamin) A water-soluble vitamin, a component of vitamin B complex,found in meat, yeast and dairy products; it is essential to metabolism.
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| nicotinamide |
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noun
- (vitamin) The amide of nicotinic acid (or niacin).
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| nicotinamide adenine dinucleotide |
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noun (abbreviated as NAD)
- (biochemistry) an organic coenzyme involved in biological oxidation and reduction reactions
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| nicotinamide adenine dinucleotide phosphate |
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noun (wikipedia, nicotinamide adenine dinucleotide)
(abbreviated as NADP)
- (biochemistry) the phosphate of nicotinamide adenine dinucleotide; a coenzyme important in fatty acid synthesis
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| nicotinic acid |
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noun
- (vitamin) pyridine-3-carboxylic acid; together with nicotinamide is a part of the vitamin B complex.
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| nitrogenase |
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noun
- The enzyme, in nitrogen-fixing bacteria, that catalyzes the conversion of atmospheric nitrogen into ammonia.
category:Enzymes
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| norepinephrine |
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noun
- (neurotransmitter) A neurotransmitter found in the locus coeruleus which is synthesized from dopamine.
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| nuclease |
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noun
- (enzyme) Any of several enzymes capable of cleaving the phosphodiester bonds between the nucleotide subunits of nucleic acids.
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