A-LevelBiologyEnzymesOct/Nov 2021Paper 2 Q28 Marks
Pepsin is an enzyme that hydrolyses proteins (protease). Some students used pepsin from the stomach of a mammal. The activity of the pepsin was investigated by placing a small quantity of the enzyme with a known concentration of the protein albumen. Fig. 2.1 shows the progress of the enzyme-catalysed reaction that was carried out at 20°C. [Figure 2.1]
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