This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
True about Restriction enzymes: 
Select and explain. 
A. Palindromic, B. Produce DNA sticky end, C. Restrict replication of DNA, D. All
D: All
Answer: D: All 
Explanation: A, B, C i.e. Palindromic, Produce DNA sticky end, Restrict replication of DNA, Breaks at sugar-phosphate bond