Match the organism with its use in biotechnology. Column I Column II (a) Restriction endonuclease (i) Helps in visualizing DNA under UV rays (b) Exonucleases (ii) Precipitates out DNA (c) Ethidium bromide (iii) Molecular scissors (d) Chilled ethanol (iv) Remove nucleotides from the ends of the DNA

Tools of Recombinant DNA Technology

Question

Column I	Column II
(a) Restriction endonuclease	(i) Helps in visualizing DNA under UV rays
(b) Exonucleases	(ii) Precipitates out DNA
(c) Ethidium bromide	(iii) Molecular scissors
(d) Chilled ethanol	(iv) Remove nucleotides from the ends of the DNA

Easy

Solution

Restriction endonuclease- Molecular scissors
Exonucleases- Remove nucleotides from the ends of the DNA
Ethidium bromide- Helps in visualizing DNA under UV rays
Chilled ethanol- Precipitates out DNA

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