1
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.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by
A
base-sugar-phosphate
B
base-sugar-OH
C
(base-sugar-phosphate)
D
sugar-phosphate
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Carbohydrates, the most abundant biomolescule on earth, are produced by
A
some bacteria, algae and green plant cells
B
fungi, algae and green plant cells
C
all bacteria, fungi and algae
D
viruses, fungi and bacteria.
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Which one of the following enzymes, is copper necessarily associated as an activator?
A
Carbonic anhydrase
B
Tryptophanase
C
Lactic dehydrogenase
D
Tyrosinase
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