adenosine monophosphate

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amp1 / amp/ • n. short for ampere. amp2 • n. inf. short for amplifier. • v. (often amp something up) 1. play (music) through electric amplification: their willingness to amp up traditional songs virtually began the folk-rock genre. 2. [as adj.] (amped or amped up) inf. full of nervous energy.

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adenosine monophosphate (AMP) (ədĕn´əsēn mŏn´əfŏs´fāt), organic compound composed of an adenine base, the sugar ribose, and one phosphate unit. AMP is one of the possible products of the hydrolysis of adenosine triphosphate (ATP) and is therefore important in the transfer of chemical energy during anabolism. Cyclic AMP, a very close structural relative of AMP containing an additional ester linkage between the phosphate and ribose units, can act as a secondary messenger for several hormones. It also plays a role in the transcription of some genes (see nucleic acid).

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adenosine diphosphate (ADP) A high-energy phosphoric ester, or nucleotide, of the nucleoside adenosine. It can undergo hydrolysis to adenosine monophosphate and inorganic phosphate, the reaction releasing 34 kJ/mol of energy at pH 7.

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AMP (adenosine monophosphate) n. a compound containing adenine, ribose, and one phosphate group. AMP occurs in cells and is involved in processes requiring the transfer of energy (see ATP).

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AMP Biochem. abbr. adenosine monophosphate.

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adenosine diphosphate: see adenine; adenosine triphosphate.

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AMP See ATP; cyclic AMP.

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adenosine monophosphate n. see AMP.

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AMP Adenosine monophosphate; see adenine.