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10 cards from this deck
Biological catalysts speeding up reactions in living cells
Each enzyme catalyses only one particular reaction type
Enzyme region where reactions occur; fits substrate shape
Reactant molecule binding to enzyme's active site
Substrate fits enzyme's active site like key in lock
37°C (normal body temperature)
Denaturation - irreversible loss of activity
Deactivation - reversible, fewer molecular collisions
pH where enzyme activity is greatest
Not used up or changed at end of reaction
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