NUTR 2105 Lecture Notes - Lecture 6: Deconstruction, Kwashiorkor, Cardiovascular Disease
10 Apr 2017
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6: protein / amino acids chemists view amino acid chains make up protein: protein contains: Carbon, hydrogen, oxygen, nitrogen: ** what differentiates amino acids from each other? side chain/group, 20 common amino acids, essential, nonessential, conditionally essential, **know which are essential: Gene expression: every cell can make every protein if needed but it doesn"t, each type of cell makes only the protein it needs, dietary habits can in uence gene expression. Proteins as structural materials and enzymes: building blocks for most body structures, collagen matrix: lled with mineral crystals for bones or teeth, replacement of dead or damaged cells, enzymes: break down, build up, transform substances, catalysts. Protein metabolism: protein turnover, continual destruction and. Proteins form integral parts of most body tissues and provide strength and shape to skin, tendons, membranes, muscles, organs, and bones. Transport ation (some, but not all, hormones are proteins. ) Proteins help to maintain the volume and composition of body fluids.
