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Enzymes | Page - 11 | Multiple Choice Questions (MCQ)

Q f20097 -
In which of the following types ofenzymes an inducer is not required?
A. Inhibited enzyme
B. Cooperative enzyme
C. Allosteric enzyme
D. Constitutive enzyme
Answer - D
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Q ff836b -
Vitamin deficiency that causes fatty liverincludes all except?
A. Vitamin E
B. Pyridoxine
C. Retionic acid
D. Pantothenic acid
Answer - D
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Q cddf63 -
Pantothenic acid acts on?
D. CoA
Answer - A
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Q 0e4bda -
Which of the following regulatoryreactions involves a reversible covalentmodification of an enzyme?
A. Phosphorylation of serine OH on the enzyme
B. Allosteric modulation
C. Competitive inhibition
D. Non-competitive inhibition
Answer - B
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Q c85f69 -
Multiple forms of the same enzymes areknown as?
A. Zymogens
B. Isoenzymes
C. Proenzymes
D. Pre-enzymes
Answer - C
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Q da7d97 -
Trypsin has no action on?
A. Hemoglobin
B. Albumin
C. Histone
Answer - C
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Q 26aa24 -
An enzyme which brings about lysis ofbacterial cell wall is?
A. Amylase
B. Lysozyme
C. Trypsin
D. Lipase
Answer - C
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Q d6a489 -
Tryptophan pyrolase is currently knownas?
A. Tryptophan deaminase
B. Tryptophan dioxygenase
C. Tryptophan mono oxygenase
D. Tryptophan decarboxylase
Answer - C
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Q ba072b -
Schardinger’s enzyme is?
A. Lactate dehydrogenase
B. Xanthine dehydrogenase
C. Uric oxidase
D. L amino acid dehydrogenase
Answer - C
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Q 5e281d -
The Michaehis-Menten hypothesis?
A. Postulates the formation of an enzymesubstrate complex
B. Enables us to calculate the isoelectric point ofan enzyme
C. States that the rate of a chemical reaction maybe independent of substrate concentration
D. States that the reaction rate is proportional tosubstrate concentration
Answer - C
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