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Home
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Biochemical Engineering
‣
Enzymes and Kinetics
Comments
Question
The reciprocal equation for non competitive inhibition can be arranged to the equation for the
Options
A. Dixon plot
B. Woolf-Augusteinsson-Hofstee plot
C. Eadie-Scatchard plot
D. Hanes-Woolf plot
Correct Answer
Dixon plot
Enzymes and Kinetics problems
Search Results
1. In competitive inhibition a factor is obtained from the measurement of
Options
A. V
max
B.
K
M
C.
Y
-intercept in Lineweaver-Burk Plot
D. None of these
Show Answer
Scratch Pad
Discuss
Correct Answer:
K
M
2. An allosteric inhibitor of an enzyme usually
Options
A. participates in feedback regulation
B. denatures the enzyme
C. is a hydrophobic compound
D. causes the enzyme to work faster
Show Answer
Scratch Pad
Discuss
Correct Answer: participates in feedback regulation
3. The plot commonly used for determining the value of V
max
is
Options
A. Lineweaver Burk plot
B. Langmuir plot
C. Eadie Hofstee plot
D. all of these
Show Answer
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Discuss
Correct Answer: all of these
4. Quasi steady state is also known as
Options
A. Michaelis Menten approach
B. Briggs-Haldane approach
C. Pseudo steady state
D. all of the above
Show Answer
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Discuss
Correct Answer: Pseudo steady state
5. A noncompetitive inhibitor of an enzyme-catalyzed reaction
Options
A. increases
K
M
and increases V
max
B. increases
K
M
and reduces V
max
C. reduces
K
M
and increases V
max
D. reduces
K
M
and reduces V
max
Show Answer
Scratch Pad
Discuss
Correct Answer: increases
K
M
and reduces V
max
6. The relationship between
K
eq
,
K
m
and V
max
is known as
Options
A. Haldane equation
B. Michaelis Menten equation
C. Numerical solution approach
D. Gibbs-Helmholtz equation
Show Answer
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Discuss
Correct Answer: Haldane equation
7. The types of inhibition pattern based on Michaelis Menten equation are
Options
A. competitive
B. non-competitive
C. uncompetitive
D. all of the above
Show Answer
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Discuss
Correct Answer: all of the above
8. Which of the following activity is possible by transferases?
Options
A. Transfer of methyl groups
B. Transfer of glycosyl group
C. Both (a) and (b)
D. None of these
Show Answer
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Discuss
Correct Answer: Both (a) and (b)
9. Which of the following common drugs is not a specific enzyme inhibitor?
Options
A. Iodine
B. Methotrexate
C. Sulfbnilamide
D. Penicillin
Show Answer
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Discuss
Correct Answer: Iodine
10. Which of the following statements is not true?
Options
A. Enzymes are proteins that bind to specific substrates and increase the velocity of reactions involving those substrates
B. Enzymes function by overcoming the activation energy barrier of a reaction
C. Enzymes make thermodynamically favorable reactions to proceed; they cannot make unfavorable reactions to occur
D. Enzymes only function when they are in intact cells
Show Answer
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Discuss
Correct Answer: Enzymes only function when they are in intact cells
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