from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A polymerase that catalyzes the synthesis of a complementary strand of RNA from a DNA template, or, in some viruses, from an RNA template.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The univalent radical -CH2-CH2-COOH derived from propanoic acid


Sorry, no etymologies found.


  • ROMEO, J.T. and SWAIN, L.A. (1986) Persistence of non-protein seed amino acid S - (- carboxyethyl) cysteine in young leaves of Calliandra rubescens: ecological implications.

    Chapter 7


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