37. All of the following are paired with their preferred substrate except: (A) brain: fatty acids (B) heart: fatty acids (C) anaerobic skeletal muscle: glucose (D) red blood cell: glucose (E) adipose tissue: fatty acids.

4. Which of the following descriptions about the Michaelis-Menten rate equation is incorrect ? (A) KM measures the substrate concentration at which the reaction rate is Vmax/2 (B) kcat is the turnover number that measures the rate of the catalytic process (C) The ratio kcat/KM is a convenient measure of enzyme efficiency (D) kcat = Vmax/[Enz] (E) A competitive inhibitor decreases the apparent KM.

37. All of the following are paired with their preferred substrate except:
(A) brain: fatty acids
(B) heart: fatty acids
(C) anaerobic skeletal muscle: glucose
(D) red blood cell: glucose
(E) adipose tissue: fatty acids.

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