CSC 1250 Chapter : Sky12
Document Summary
Proteins: contains c,o,h, n and some sulfur too. Polymers of amino acids (~20 different kinds: unbranched chains, contains a central c which is attached to an amino group (nh2), a carboxyl group (ho-c=o), and something else (determines the property) {r} All amino acids have the same basic structure. Amino acids are bounded together through condensation reactions, in the case of proteins forming a peptide bond : condensation reactions are lie dehydrations reactions because the new peptide forms which gets rid of the h2o. Structurally complex: (unlike carbohydrates and lipids: primary structure (1 degree) Covalent bonds and the sequence of the sequence of amino acids in a protein: secondary structure (2 degree) Repeated spatial patterns (alpha helix and beta pleated sheet: both are stabilized by hydrogen bonds, which means that it has a weaker backbone, tertiary structure (3 degree) Largely stabilized by by weak bonds (hydrogen and hydrophobic interactions: quaternary structure (4 degree)
