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Enzyme Concentration and Enzyme Activity Aim: The pancreatic duct in individuals who have cystic fibrosis frequently becomes blocked, reducing or preventing the release of pancreatic enzymes into the small intestine. The aim of this activity is to investigate the effect of a reduction in enzyme concentration on the rate of reaction, in this case the breakdown of sucrose by sucrase enzymes. Hypothesis: I predict that an increase of concentration levels of substrate will catalyse the rate of reaction up to a point whereby any further increase in concentration produces no significant change in the rate of reaction as result of the enzyme reaching their active peak. Null Hypothesis: There will be no relationship found between the concentration levels of enzyme and substrate and the rate of reaction. Rationale: Enzymes play key roles in an experiment where they are used to catalyse a reaction. Enzymes can speed up the breaking down of molecules, like protein, into smaller ones. Others...

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