Two curves showing the rate versus substrate concentration are shown below for an enzyme-catalyzed reaction.One curve is for the reaction in the presence of substance X.The other curve is for data in the absence of substance X.Examine the curves and tell which statement below is true.
A)X is an activator of the enzyme.
B)The catalysis shows Michaelis-Menten kinetics.with or without X.
C)X increases the activation energy for the catalytic reaction.
D)X could be a competitive inhibitor.

Question

Two curves showing the rate versus substrate concentration are shown below for an enzyme-catalyzed reaction.One curve is for the reaction in the presence of substance X.The other curve is for data in the absence of substance X.Examine the curves and tell which statement below is true. 
A)X is an activator of the enzyme. 
B)The catalysis shows Michaelis-Menten kinetics.with or without X. 
C)X increases the activation energy for the catalytic reaction. 
D)X could be a competitive inhibitor.

Quizplus · Accepted Answer

The Answer of Two curves showing the rate versus substrate concentration are shown below for an enzyme-catalyzed reaction.One curve is for the reaction in the presence of substance X.The other curve is for data in the absence of substance X.Examine the curves and tell which statement below is true. 
A)X is an activator of the enzyme. 
B)The catalysis shows Michaelis-Menten kinetics.with or without X. 
C)X increases the activation energy for the catalytic reaction. 
D)X could be a competitive inhibitor.

Two Curves Showing the Rate Versus Substrate Concentration Are Shown