Five K_M Values Are Given for the Binding of Substrates $\mu$

Multiple Choice

Five K_M values are given for the binding of substrates to a particular enzyme. Which has the strongest affinity when k ₁ is greater than k₂?

A) 150 mM
B) 0.15 mM
C) 150 $\mu$ M
D) 1.5 nM
E) 15000 pM