{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

The functional groups designated as the r group in

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: st obtain from food. Furthermore, other amino acids (e.g. tyrosine) can only be synthesized in vivo from one of these essential amino acids. The chemical structure of all amino acids resembles that shown in Figure 1. The functional groups (designated as the “R” group in Figure 1) can be acidic or basic, hydrophilic or hydrophobic and ultimately affect both the protein’s structure and its interactions with its surroundings. Because every amino acid contains both a carboxylic acid and an amino group, the molecule can act as both an acid and a base. The covalent bonds (called peptide bonds) that connect amino acids in proteins are derived from a hydrolysis reaction between the carboxylic acid group of one amino acid and the amino group on the next amino acid (see Figure 2). Amino acids also occur as optical Figure 1: General structure of an amino isomers, the alpha acid. carbon is chiral in...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online