Consider the following statements.
(I) Recombinant DNA technology popularly known as genetic engineering is a stream of biotechnology which deals with the manipulation of genetic material by main vitro.
(II) pBR322 is the first artificial cloning vector developed in 1977 by Boliver and Rodriquez from E. coli plasmid.
(III) Restriction enzymes belong to a class of enzymes called nucleases.
Which of the statements given above are correct?
Text Solution
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(I) Recombinant DNA technology…manipulation of genetic material in vitro – True. This is the correct definition of genetic engineering.
(II) pBR322 is the first artificial cloning vector developed in 1977 by Bolivar and Rodriguez from E. coli plasmid – True.
(III) Restriction enzymes belong to a class of enzymes called nucleases – True. They are endonucleases that cut DNA at specific sequences.
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