1
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
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
In transgenics expression of transgene in target tissue is determined by :-
A
Enhancer
B
Promoter
C
Reporter
D
Transgene
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In recent years, DNA sequences (nucleotide sequence) of mt-DNA and Y chromosomes were considered for the study of human evolution, because : -
A
They are uniparental in origin and do not take part in recombination
B
They can be studied from the samples of fossil remains
C
Their structure is known in greater detail
D
They are small, and therefore, easy to study
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following bacteria has found extensive use in genetic engineering work in plants ?
A
Xanthomonas citri
B
Agrobacterium tumefaciens
C
Bacillus coagulens
D
Clostridium septicum
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