Metabolism - It is the sum of all chemical reactions within cells and organisms., Anabolic reactions - Smaller molecule build up to form larger molecules, Catabolic reactions - Larger molecules break down into smaller molecules., Lock and key - Once the substance with the correct shape enters the lock, a reaction will ensue. This is because the active site is directly complementary to substrate shapes., Induced fit - The substance collides with the active site, and the active site changes due to attractive charges. The change in shape destabilises the substrate and helps to weaken and break bonds., Competitive - Type of inhibition - Bind to active site (similar to substrate) Temporarily prevent ESCs forming., Non-competitive - Type of inhibition - Bind at allosteric site, trigger change of active site. , End-product - Type of inhibition - Products acts as an inhibitor involved in the pathway. , Co-factors - Non-protein compounds required for enzyme activity: coenzymes, inorganic factors, and prosthetic groups.,

Enzymes

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