Practising recall and doing questions is so important for long term retention of information. Try this self marked quiz. OCR A Cell Membranes

Practising recall and doing questions is so important for long term retention of information. Try this self marked quiz. OCR A Enzymes

Multiple choice questions on enzymes, all past paper questions, a good way to assess your understanding

 Enzymes -  Questions (and answers) - for A-level Biology - With Videos and Powerpoints to help recap the theory.

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Enzymes have an active site - Substrates don't.

The substrate is a complementary shape to the active site NOT the "same shape"

Enzymes reduce the activation energy for a reaction to occur

Anabolism is making, Catabolism is breaking

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