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What is an Enzyme?
A protein that acts as a catalyst to
biochemical reactions.…read more

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How do Enzymes
catalyse reactions?
They lower the activation energy needed to
start a reaction so it takes less time
ADD IN TEST ANSWER…read more

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Lock and Key
The active site fits the substrate exactly.…read more

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Induced Fit
Active site and substrate are not
complementary
The presence of the substrate induces a change
in the shape of the enzyme so that it wraps
around the substrate.
This model takes accounts for the 3D flexibility
of enzymes.…read more

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