Some simple definitions

These definitions came directly from the Enzymes part 1 and 2 JM videos. I think that they are very good, simple definitions that are easy to remember so we are sharing it with you for revision!

Enzymes- biological catalysts that speed up a chemical reaction by providing an alternative route with a lower activation energy

Activation energy- minimum amount of energy needed for a reaction to occur

Transition state- highest energy arrangement of atoms that is intermediate in structure between the structure of the reactants and product

Turnover number or Kcat – the number of molecules of substrate converted to product per enzyme molecule per second

Active site- specific site on the enzyme where substrate binds and catalysis occurs; usually looks like a pocket or cleft



Posted on March 5, 2014, in Uncategorized. Bookmark the permalink. Leave a comment.

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