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What is Which of the following enzyme exhibits absolute specificity for substrate? and explain in detail?
Classes of enzyme specificity: 1. Absolute: enzyme reacts with only one substrate e.g. Urease. 2. Group: enzyme catalyses reaction involving any molecules with the same functional group e.g. Phosphotransferase. 3. Linkage: enzyme catalyses the formation or break up of only ceain category or type of bond e.g. Peptidase. 4. Stereochemical: enzyme recognizes only one of two enantiomers e.g. L-amino acid oxidase. Other options: Lactate dehydrogenase: Have succinate semialdehyde, pyruvate etc as a substrate. Hexokinase: can phosphorylate Glucose and fructose. L-amino acid oxidase: Can oxidize various L amino acids to oxo acids.