B4 - Enzymes

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  • Created by: imogenmk
  • Created on: 07-02-16 17:16

ENZYMES are proteins that SPEED UP CHEMICAL REACTIONS

Instructions for making enzymes are found in the cell's genes.

Enzymes are very specific:

  • Chemical reactions usually involve things either being split apart or joined together.
  • A substrate is a molecule that is changed in a reaction.
  • Every enzyme molecule has an active site - the part where a substrate joins on to the enzyme.
  • Enzymes are really picky - they usually speed up one rection. This is because for an enzyme to work a substrate has to be the correct…

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