1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
In a mutational event, when adenine is replaced by guanine, it is a case of -
A
Frameshift mutation
B
Transition
C
Transversion
D
Transcription
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The following ratio is generally constant for a given species :-
A
A + C / T + G
B
G + C / A+ T
C
A + G / C +T
D
T + C / G + A
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
During translation initiation in prokaryotes, a GTP molecule is needed in : -
A
Association of 30S mRNA with formy-lmet-tRNA
B
Formation of formyl-met-tRNA
C
Association of 50S subunit of ribosome with initiation complex
D
Binding of 30S subunit of ribosome with mRNA
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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