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Unformatted text preview: HNF Proteins and A.A. (Lecture) 30/03/2008 14:16:00 Foods with protein: meat, legumes Protein facts: 1. Contains carbon, hydrogen, oxygen and nitrogen 2. Amino acids are building blocks of proteins Some amino acids are essential (9) Functions of Proteins: *enzymes *peptide hormones *structural proteins *transport proteins *immunoproteins Amino acids amine group, acid group, side chains(Rgroups, differ) *amine group contains nitrogen* *amino acids differ in size, shape, electrical charge* *peptide bonds between amine group and acid of the other amino acid* *our body has 10,000 diff proteins in it* *shape of protein determines its function *hemoglobin always has the exact same sequence, one wrong A.A. can cause major health problems; instead of normal red blood cells you get sickle cells (can’t carry oxygen) *proteins is made from genetic material PROTEIN SYNTHESIS *ribosomes are protein making machinery...
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- Spring '07