Coding Ambiguity in Cell-Free Extracts of Chlamydomonas

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Science  19 Apr 1963:
Vol. 140, Issue 3564, pp. 304-306
DOI: 10.1126/science.140.3564.304


A cell-free system that incorporates amino acids into polypeptide has been prepared from extracts of the alga Chlamydomonas. The addition of polyuridylic acid to this system stimulates the incorporation both of phenylalanine and of leucine.