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Biochemical Engineering Objective Questions { Enzymes and Kinetics }

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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2. Linear inhibition is sometimes called as
A.complete inhibition
B.incomplete inhibtion
C.partial inhibition
D.mixed inhibition
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3. The types of inhibition pattern based on Michaelis Menten equation are
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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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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6. In competitive inhibition a factor is obtained from the measurement of
C.Y-intercept in Lineweaver-Burk Plot
D.None of these
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7. Which of these proteases is not a cysteine active site protease?
B.Cathepsin D
D.None of the above
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