Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Building on earlier poly-U investigations, this article suggests that the genetic code may not be universal, offering that it may differ from species to species because variant sRNA base-pairings may substitute one amino acid for another during protein synthesis.
Periodical:
Proceedings of the National Academy of Sciences of the United States of America
Periodical. Nirenberg, Marshall W., J. Heinrich Matthaei, and Oliver W. Jones Jr. "An Intermediate in the Biosynthesis of Polyphenylalanine Directed by Synthetic Template RNA." Proceedings of the National Academy of Sciences of the United States of America 48, 1 (January 1962): 104-109. Article. 6 Images.. Proceedings of the National Academy of Sciences of the United States of America