This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Techniques in molecular biology, Subject name: Biochemistry
[{'content': 'Molecular scissors refers to: \nSelect and explain. \nA. DNA Polymerase, B. Restriction Endonuclease, C. Primase, D. Helicase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Molecular scissors refers to Restriction Endonuclease. Molecular scissors/Restriction Endonuclease Cut at random sites or Pallindromic sites (same sequence on opposite strands). Create sticky or blunt ends.', 'role': 'assistant'}]