1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following triplet codes, is correctly matched with its specificity for an amino acid in protein synthesis or as 'start' or 'stop' codon ?
A
UUU – Stop
B
UAC – Tyrosine
C
UGU – Leucine
D
UCG – Start
2
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
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 2002
MCQ (Single Correct Answer)
+4
-1
Transformation experiment was first performed on which bacteria : -
A
Diplococcus pneumoniae
B
Pasteurella pestis
C
E. coli
D
Salmonella

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