Acceptor

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Acceptor

a compound that will take up a chemical group (e.g., an amine group, a methyl group, a carbamoyl group) from another compound (the donor); under the action of alanine transaminase, l-glutamic acid is an amine donor while pyruvic acid is an amine acceptor.

Origin: L. Ac-cipio, pp. -ceptus, to accept