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NEET UG BIOLOGY MCQ: BIOMOLECULES

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Assertion (A): The Michaelis Menten constant (Km)\left(\mathrm{K}_{\mathrm{m}}\right) can be used to compare catalytic efficiency of two different enzymes.

Reason (R): The Km\mathrm{K}_{\mathrm{m}} value is numerically equal to the substrate concentration at which 12\frac{1}{2} of Vmax⁡V_{\max } is achieved.

In the light of the above statements, choose the correct answer from the option given below.
View answer and explanation
Correct option: A
Both (A)(A) and (R)(R) are true and (R)(R) is not correct explanation of (A)(A)
Option A (Both (A) and (R) are true and (R) is not correct explanation of (A)) is correct because both statements are true, but the reason doesn't explain why Km can be used to compare catalytic efficiency.

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