1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?
A
5' _____ CG TTCG ______ 3'
3' ______ATGGTA ______5'
B
5'______GAATTC ______3'
3'______CTTAAG______5'
C
5'______CACGTA______3'
3'______CTCAGT______5'
D
5'______GATATG ______3'
3'______CTACTA ______5'
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The one aspect which is not a salient feature of genetic code, is its being –
A
Specific
B
Degenerate
C
Ambiguous
D
Universal
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Select the two correct statements out of the four (a-d) statements given below about lac operon.
(a) Glucose or galactose may bind with the repressor and inactivate it
(b) In the absence of lactose the repressor binds with the operator region
(c) The z-gene codes for permease
(d) This was elucidated by Francois Jacob and Jacque Monod
The correct statements are :
A
(b) and (d)
B
(a) and (b)
C
(b) and (c)
D
(a) and (c)
4
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
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