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 |
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Answer: (c).structurally similar to the substrate.
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2. | Linear inhibition is sometimes called as |
a. | complete inhibition |
b. | incomplete inhibtion |
c. | partial inhibition |
d. | mixed inhibition |
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Answer: (a).complete inhibition
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3. | The types of inhibition pattern based on Michaelis Menten equation are |
a. | competitive |
b. | non-competitive |
c. | uncompetitive |
d. | all of the above |
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Answer: (d).all of the above
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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 |
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Answer: (b).it can change the y-intercept
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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) |
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Answer: (b).the complex dissociation step to produce product
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