KINESIOL 1F03 Study Guide - Genistein, Ion, Urea Cycle
1 May 2013
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What are proteins: protein, greek derivative protos , meaning of prime importance , organic molecules. 2nd most abundant component of plants and animals (2nd to water: proteins provide structure; amino acids form proteins. Food sources: animal-based food (meat, fish, milk) highest quality protein, plant sources: dried beans, peas, nuts, seeds, some vegetables. 20 (same 20 in all animals), 9 are essential, 11 are non-essential. Essential amino acid: refers to an amino acid that the body cannot synthesize . must be ingested. Non-essential amino acid: refers to an amino acid that the body can synthesize. Examples: tyrosine is made from phenylalanine, cysteine is made from methionine. 1/3 of all muscle amino acids are these three branch chains. Conditionally essential bodies can make conditionally essential on the condition that we form them from essential amino acids. 4 levels of protein structure: primary, secondary, tertiary, quartenary. Primary structure: formation of peptide bonds: amino (nh2) to carboxylic acid (cooh) connection.
