5. To visualize protein bands on SDS-PAGE, ______ is commonly used to stain proteins after gel electrophoresis. (A) Coomassie Brilliant Blue (B) EtBr (C) NADH (D) CNBr (E) BUdR.

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.

5. To visualize protein bands on SDS-PAGE, ______ is commonly used to stain proteins after gel electrophoresis.
(A) Coomassie Brilliant Blue
(B) EtBr
(C) NADH
(D) CNBr
(E) BUdR.

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