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Enzymes speed up a reaction.
They have specific shapes and only works on one substance.
Amylase speeds up the breakdown of starch into sugar maltose.

The substrate fits into a region in the enzyme called the active site. The active site is a certain size
and therefore will only…

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Ph affects the rate of enzymes. Most enzymes work best at neutral Ph and changing the Ph either
way by one unit usually stops the enzyme working. For example Amylase works best in a Ph of 7.5
so placing it in a solution greater than 8.5 or lower than 6.5…


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