1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The linking of antibiotic resistance gene with the plasmid vector became possible with:
A
Exonucleases
B
Endonucleases
C
DNA ligase
D
DNA polymerase
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Restriction endonuclease -
A
Cuts the DNA molecule at specific sites
B
Synthesizes DNA
C
Restricts the synthesis of DNA inside the nucleus
D
Cuts the DNA molecule randomly
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Two microbes found to be very useful in genetic engineering are-
A
Diplococcus sp.and Pseudomonas sp.
B
Vibrio cholerae and a tailed bacteriophage
C
Crown gall bacterium and Caenorhabditis elegans
D
Escherichia coli and Agrobacterium tumefaciens
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Restriction endonucleases :-
A
Are used for in vitro DNA synthesis
B
Are present in mammalian cells for degradation of DNA when the cell dies
C
Are synthesized by bacteria as part of their defense mechanism
D
Are used in genetic engineering for ligating two DNA molecules
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