1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
What would happen if in a gene encoding a polypeptide of 50 amino acids, 25th codon (UAU) is mutated to UAA ?
A
A polypeptide of 49 amino acids will be formed
B
A polypeptide of 25 amino acids will be formed
C
Two polypeptides of 24 and 25 amino acids will be formed
D
A polypeptide of 24 amino acids will be formed
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Degeneration of a genetic code is attributed to the : -
A
Second member of a codon
B
Third member of a codon
C
First member of a codon
D
Entire codon
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
During transcription, the DNA site at which RNA polymerase binds is called :-
A
Receptor
B
Regulator
C
Enhancer
D
Promoter
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
What does "lac" refer to in what we call the lac operon ?
A
The number 1,00,000
B
Lac insect
C
Lactase
D
Lactose
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