An enzyme catalysing the removal of nucleotides from the ends of DNA is
endonuclease
exonuclease
DNA ligase
Hind II
The transfer of genetic material from one bacterium to another through the mediation of a vector like virus is termed as
transduction
conjugation
transformation
translation
Which of the given statement is correct in the context of observing DNA separated by agarose gel electrophoresis?
DNA can be seen in visible light.
DNA can be seen without staining in visible light.
Ethidium bromide stained DNA can be seen in visible light.
Ethidium bromide stained DNA can be seen under exposure to UV light.
'Restriction' in restriction enzyme refers to
cleaving of phosphodiester bond in DNA by the enzyme
cutting of DNA at specific position only
prevention of the multiplication of bacteriophage in bacteria
All of the above
Which of the following is not required in the preparation of a recombinant DNA molecules?
Restriction endonucleases
DNA ligase
DNA fragments
E. coli