6 marksEnzymes
CAPE Biology Unit 1 · 2004 · Paper 2 · Question 5(b)
Trypsin catalyses the hydrolysis of peptide bonds with arginine or lysine residues. Sucrase catalyses hydrolysis of sucrose into glucose and fructose but cannot attack maltose. When sucrase and trypsin are boiled, they become inactive.
Discuss how the above named enzymes exhibit substrate or bond specificity and why they become inactive when boiled.
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