Enzymes & their Roles

Quite simply:

Enzyme + Substrate = Product

  1. The substrate (AKA reagent) binds with the enzyme’s active site to form Enzyme-Substrate complex.
  2. Enzyme reacts with substrate to produce a Product, which is then released.
  3. Product released, and enzyme ready for more substrate.

Enzymes are:

  • One of more polypeptide chains – so a protein – but that form a structure with an ‘Active Site’.
  • The active site is ‘specific’, which essentially means it only has a few substrates that will fit it, and bind with it.

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