Proteins, catalysts and Enzymes

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  • Created by: D97
  • Created on: 13-05-13 18:20

Protein molecules are made of long chains of amino acids. 
The long chains are folded into specific shapes. The shape of a protein depends on its function.

Proteins can be:
Structural components of tissues, eg: muscles. 

Chemical reactions in cells are controlled by proteins called enzymes. 

Enzymes are biological catalysts - they speed-up reactions.

Enzymes are large proteins and


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