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 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
3
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
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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