The Following Data Were Obtained in the Presence and Absence

Multiple Choice

The following data were obtained in the presence and absence of inhibitor. What type of inhibition is shown? $\begin{array}{|l|l|l|}\hline\begin{array}{l}\text { Substrateconcentration } \\\text { millimolar) }\end{array} & \begin{array}{l}\text { Rate withoutinhibitor } \\\mathrm{mmol} / \mathrm{min}) \end{array} & \begin{array}{l}\text { Rate with inhibitor } \\\mathrm{mmol} / \mathrm{min}) \end{array} \\\hline 0.100 & 2.5 & 1.6 \\\hline 0.200 & 4.2 & 2.9 \\\hline 0.500 & 6.6 & 5.1 \\\hline 0.750 & 7.4 & 6.2 \\\hline 1.000 & 9.9 & 9.8 \\\hline 2.000 & 10.0 & 10.1\\\hline\end{array}$

A) competitive
B) uncompetitive
C) noncompetitive
D) irreversible
E) cannot tell inhibition type from the information given