After treatment of a plasmid and a dna fragment of interest with restriction enzymes, a researcher wishes to anneal the cohesive ends and covalently link the fragment into the plasmid. what enzyme will be needed?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen