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 enzyme DNA polymerase
• D. Remove nucleotides from the ends of DNA molecule

Answer 1

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

A restriction enzyme or restriction endonuclease is an enzyme that cleaves DNA into fragments at or near specific recognition sites within the molecule known as restriction sites.