NFSC 100 Study Guide - Midterm Guide: Isoleucine, Carboxylic Acid, Amine

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Proteins: primary protein structure is a sequence of a chain of amino acids. >>coagulation blood clotting: the dri recommendation for average protein intake depends on size and stage of growth. Athletes may need slightly more: protein digestion and absorption. >>when swallowed food arrives in the stomach, acid denatures the protein strands, and an enzyme cleaves amino acid strands into polypeptides and a few amino acids. >>enzymes from the pancreas and the intestine split the peptide strands into tripeptides, dipeptides, and amino acids. >>enzymes on the surface of the small intestine"s lining and within the absorptive cells split tripeptides and dipeptides. The intestinal cells absorb and transfer amino acids to the bloodstream. >>transports amino acids to all the body"s cells: marasmus severe malnutrition characterized by poor growth, dramatic weight loss, loss of body fat and muscle, and apathy. Can be brought on when a child is weaned off of breast milk and goes from nutrient-dense, protein-rich milk to starchy cereals.