B2 3.1 Proteins, catalysts and enzymes

  • Created by: jkav
  • Created on: 23-04-14 16:27
  • Protein molecules are made of long chains of amino acids.
  • The long chains are folded to produce specific shapes. The shape of a protein depends on its function.
  • Proteins can be:
    • Structural components of tissues, such as muscle
    • hormones
    • antibodies
    • catalysts

Chemical reactions in cells are controlled by proteins called enzymes.

  • Enzymes are biological catalysts - they speed - up reactions.
  • Enzymes are large…


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