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Unformatted text preview: bonded to an amine group (NH 2 ), a carboxyl group (COOH), and a hydrogen atom (Figure 5). The fourth bond of the central carbon is shown with the letter R, which indicates an atom or group of atoms that varies from one kind of amino acid to another. For the simplest amino acid, glycine, the R is a hydrogen atom. For serine, R is CH 2 OH. For other amino acids, R may contain sulfur (as in cysteine) or a carbon ring (as in phenylalanine). Figure 5. Examples of amino acids....
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This note was uploaded on 11/10/2011 for the course PT 101 taught by Professor Staff during the Spring '10 term at Texas State.
- Spring '10