B3

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  • Created by: ellehalex
  • Created on: 26-05-16 11:44

Roles of protein in the body

  • Essential part of cell membrane
  • Haemoglobin, the oxygen carrying pigment, is a protein
  • Antibodies (white blood cells)
  • Enzymes (allow respiration)
  • Hair and skin contain keterin
  • Collagen is a strong protein found in connective tissue
  • Actin and myosin are proteins in muscle cells that allow contraction

Proteins are made of long chains of amino acids. There are 20 different types of amino acids from which to make protein. Different combinations make different protein. These different orders make different types of 3D structure. Globular and fibrous are the 2…

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