Proteins, Biology

 

Amino Acid - compound with an amino group and a carboxyl group attached to a central carbon

  • Proteins make up 50% of dry mass of cells in our bodies
  • E.g. of proteins are
    • Hemoglobin (carries O in blood), immunoglobin (immune system), fibrin (blood clots), collagen (cartilage between bones), enzymes (biological catalysts), keratin (hair and nails)
  • Proteins are polymers of specific sequences of amino acids folded into specific 3-d shapes
  • Proteins can have 1+ chains of amino acids called peptide chains

 

Posted Date: 8/20/2012 3:13:25 PM | Location : United States







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