First slide

Tools of Recombinant DNA Technology

Question

Choose the correct pair from the following :

Easy

A

Polymerases - Break the DNA into fragments
B

Nucleases - Separate the two strands of DNA
C

Exonucleases - Make cuts at specific positions within DNA
D

Ligases - Join the two DNA molecules

Solution

Ligases join two DNA molecules. Polymerases catalyses synthesis of DNA/RNA. Nucleases digest nucleic acid and Exonuclease removes nucleotides from end of DNA.

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