1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these
A
help in regulating metabolism
B
are exclusively synthesized in the body of a living organism as at present
C
are conjugated proteins
D
enhance oxidative metabolism.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The catalytic efficiency of two different enzymes can be compared by the
A
formation of the product
B
pH of optimum value
C
Km value
D
molecular size of the enzyme.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements regarding enzyme inhibition is correct?
A
Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein.
B
Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme.
C
Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate.
D
Non-competitive inhibitors often bind to the enzyme irreversibly.
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following is the simplest amino acid?
A
Alanine
B
Asparagine
C
Glycine
D
Tyrosine
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