Enzymes and Kinetics – Section 1

1. A competitive inhibitor of an enzyme is usually

A. a highly reactive compound
B. a metal ion such as Hg2+ or Pb2+
C. structurally similar to the substrate.
D. water insoluble

Correct Answer: C. structurally similar to the substrate.

2. Linear inhibition is sometimes called as

A. complete inhibition
B. incomplete inhibition
C. partial inhibition
D. mixed inhibition

Correct Answer: A. complete inhibition

3. The types of inhibition pattern based on Michaelis Menten equation are

A. competitive
B. non-competitive
C. uncompetitive
D. all of the above

Correct Answer: D. all of the above

4. The effect of non-competitive inhibition on a Lineweaver-Burk Plot is that

A. it can move the entire curve to the right
B. it can change the y-intercept
C. it can change the x-intercept
D. all of these

Correct Answer: B. it can change the y-intercept

5. The rate-determining step of Michaelis Menten kinetics is

A. the complex formation step
B. the complex dissociation step to produce product
C. the product formation step
D. Both (a)and(c)

Correct Answer: B. the complex dissociation step to produce product

Leave A Comment?

fifteen − 3 =