noun

1. The fourteenth letter of the Appendix:Roman script, English alphabet, preceded by M and followed by O.

abbreviation

1. (military) Navy

initialism

1. nicotinamide adenine dinucleotide
2. nothing abnormal discovered - used frequently in medical test results

initialism

1. nicotinamide adenine dinucleotide phosphate

noun

1. (vitamin) A water-soluble vitamin, a component of vitamin B complex,found in meat, yeast and dairy products; it is essential to metabolism.

noun

1. (vitamin) The amide of nicotinic acid (or niacin).

noun (abbreviated as NAD)

1. (biochemistry) an organic coenzyme involved in biological oxidation and reduction reactions

noun (wikipedia, nicotinamide adenine dinucleotide)
(abbreviated as NADP)

1. (biochemistry) the phosphate of nicotinamide adenine dinucleotide; a coenzyme important in fatty acid synthesis

noun

1. (vitamin) pyridine-3-carboxylic acid; together with nicotinamide is a part of the vitamin B complex.

noun

1. The enzyme, in nitrogen-fixing bacteria, that catalyzes the conversion of atmospheric nitrogen into ammonia.

category:Enzymes

noun

1. (neurotransmitter) A neurotransmitter found in the locus coeruleus which is synthesized from dopamine.

noun

1. (enzyme) Any of several enzymes capable of cleaving the phosphodiester bonds between the nucleotide subunits of nucleic acids.