NTRI 2000 Chapter 6: NTRI Ch. 6
Document Summary
Chapter 6: the proteins and amino acids: amino acids, carbon atom with amine group (contains nitrogen) and acid group. Strands form coils or folds: side chain (side group): different for each amino acid. Ex. a hydrogen attached to the carbon atom: contain electrical charge, essential amino acids. Tyracine: a conditionally essential amino acid made from the phenylalanine amino acid: recycling. Priority system: peptide bonds: link amino acids. Polypeptide: strand of 10 or more amino acids: protein shape enables performance of different tasks: Strands are alone or in isolation: enzymes: speed up chemical reactions, hormones (ex. Insulin and glucagon, cck and secretin: hemoglobin: carries oxygen in red blood cells, made of 4 protein strands, antibodies (immune system component, collagen: acts as glue between cells. Pepson breaks peptide bonds - forms smaller polypeptides and oligopeptides: small intestine. Proteases from pancreas - forms tripeptides, dipeptides, and small free amino acids.
