IGCSE BIO 5. enzymes
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8 Terms
catalysts
substances that increase the rate of chemical reaction and are not changed by the reaction
enzymes
proteins that are biological catalysts, being involved in all metabolic reactions
substrate
substance on which the enzyme acts
active site
location on the enzyme to with the substrate attaches, having complementary shape for specific substrate
process of enzyme action
substrate fits into active site of enzyme → enzyme-substrate complex formed → shape of product changes, so released from enzyme
suffix for enzyme
-ase
factors that affect enzyme reactivity
temperature, pH, substrate concentration, enzyme concentration
enzymes are denatured when
too high temperature, extreme pH
Note 
Flashcards (105)