1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Semi-conservative replication of DNA was first demonstrated in :
A
Drosophila melanogaster
B
Streptococcus pneumoniae
C
Salmonella typhimurium
D
Escherichia coli
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a "triplet" ?
A
Nirenberg and Mathaei
B
Morgan and Sturtevant
C
Hershey and Chase
D
Beadle and Tatum
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Removal of introns and joining the exons in a defined order in a transcription unit is called :
A
Transformation
B
Capping
C
Splicing
D
Tailing
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
What is not true for genetic code?
A
It is nearly universal
B
A codon in mRNA is read in a noncontiguous fashion
C
It is degenerate
D
It is unambiguous
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