Question

Restriction endonucleases are enzymes which

• A. make cuts at specific positions within the DNA molecule
• B. recognize a specific nucleotide sequence for binding of DNA ligase
• C. restrict the action of the enzyme DNA polymerase
• D. remove nucleotides from the ends of the DNA molecule

Answer 1

The correct option is A make cuts at specific positions within the DNA molecule

Restriction endonucleases are endonucleases that recognize specific base sequences at palindromic sites within the DNA duplexes and cut its strands at or near the recognition site.