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
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
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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