Becker's World of the Cell 9th Edition by Lewis Kleinsmith, Jeff Hardin, Gregory Paul Bertoni

Exercise 2

Restricted Use. Not only are plasmid vectors used in molecular biology engineered, but so are the strains of E. coli used in cloning. Recall that restriction endonucleases are normally made by bacteria such as E. coli. E. coli used in molecular biology cany mutations in restriction endonucleases. Why do you think these mutations would be useful