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4*10^7: Catalase :: 25: ___________

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4*10^7: Catalase :: 25: ___________

(a) Protease

(b) Amylase

(c) Glucose isomerase

(d) Creatinine kinase

The question was asked in an internship interview.

The origin of the question is Kinetics of Enzyme Catalysed Reaction topic in chapter Enzyme Kinetics of Enzyme Technology

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Best answer
The correct answer is (c) Glucose isomerase

The best explanation: 4*10^7 is the value of catalytic efficiency of catalase. Catalytic efficiency is referred to as Kcat/Km. High value indicates that the collision frequencies between enzyme and substrate molecule and low value indicates that the equilibrium assumption status. As 4*10^7 M^-1s^-1 is the value of catalytic varies from less than 1 M^-1s^-1 to greater than 10^8 M^-1s^-1.

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