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AA & Protein

QuestionAnswer
What is a protein? A large complex molecules that comprises of long chains of amino acids in all living things and is very complex. The primary constituent of the animal body. and required in all animals throughout life.
What is the purpose of proteins? Account for more than 50% of the dry mass of most cells and some speed up chemical reactions. Defense, storage, transport, cellular communication, movement, and structural support.
What determines the function of body proteins? Their shapes.
What are the different types of protein? Enzymative Defensive Storage Transport Hormonal Receptor Contractile and Motor Structural
What are the types of amino acids and their function ? *** Enzymes: catalyzes protein hydrolysis (trypsin) Hormones: regulates blood glucose level (insulin) Storage: stores iron in the spleen and liver (ferritin) Bone Structure: (collagen) in tendons and (keratin) in hair, skin, and nails
What are the structures of proteins? (Know how to identify a protein structure) Composed of amino acid chains. 2 linear chains of AA is called dipeptide 2 linear chains of AA is called tripeptide
What are pepide bonds? When a carboxylic end of one AA combines with the amino end of another AA.
What are the 4 levels of protein structures? Primary - amino acid sequence Secondary - chemcial interaction between AA side chains Tertiary - folding patter of the AA chain Quaternary - proteins forming subunits
What are the characterisitcis of th primary structure of proteins? Sequence is determined by genes DNA has the genetic information for building proteins DNA determines the specificAA sequence A slight chang in AA sequence can affect structure and the function of proteins
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