A Michaelis Menten enzyme has a Km = 4 mM/l. If 0.5 mM concentration of a non-competitive inhibitor is aded, and the inhibitor is known to have a KI = 1.0 mM, then what value will be observed for the Km?
A. 4 mM/I
B. 5.5 mM/I
C. 6 mM/I
D. 8 mM/I
E. 12 mM/I
Answer: C