The Michaelis constant K(m) is...

The Michaelis constant `K_(m)` is

Numerically equal to `1/2V_(max)`

Dependent on the enzyme concentration

Numerically equal to the substrate concentration that gives half maximal velocity

Increased in the presence of non-competitive inhibitor

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Which of the following statements about Michaelis-Menten kinetics is correct? I. A high Michaelis constant ( K_(m) ) indicates a high affinity of an enzyme for its substrate. II. A low Michaelis constant ( K_(m) ) indicates a high affinity of an enzyme for its substrate. III. The Michaelis constant ( K_(m) ) of an enzyme increases when the enzyme concentration is increased. IV. The Michaelis constant ( K_(m) ) of an enzyme is unchanged when the enzyme concentration is increased.

I and II are correct

II and III are correct

ll and IV are correct

I and III are correct

`(K_(1))/(K_(2)-K_(3))`

`(K_(1)+K_(2))/(K_(1))`

`(K_(2)-K_(3))/(K_(1))`

`(K_(1)-K_(2))/(K_(3))`

`v_(max)`

One third `v_(max)`

Half `v_(max)`

One fifth `v_(max)`