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Aim: To investigate the effect of Trypsin using a photographic film Prediction: In this experiment there are two variables. Firstly, the pH. Changes in pH would alter or totally inhibit the enzyme from catalysing a reaction This change in the pH will affect the polar and non-polar intramolecular attractive and repulsive forces and alter the shape of the enzyme and the active site as well to the point where the substrate molecule could no longer fit, and the chemical change would be inhibited from taking place as efficiently or not at all. Every enzyme has an optimum pH range outside of which the enzyme is inhibited. Some enzymes like many of the hydrolytic enzymes in the stomach such as Pepsin and Chymotrypsin effective operate at a very low acidic pH. Other enzymes like alpha amylase found in the saliva of the mouth operate most effectively at near neutrality. I think that...

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