1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
After a mutation at a genetic locus the character of an organism changes due to the change in :-
A
Protein synthesis pattern
B
RNA transcription pattern
C
DNA replication
D
Protein structure
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG, then the nucleotide sequence in the mRNA would be -
A
UAUGC
B
TCTGG
C
UATGC
D
TATGC
3
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
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids : -
A
64
B
20
C
60
D
61

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