Problem:
Question 1: What would be the reasons that "no DNA" competent cell test produce collonies on LB amp plate?
Question 2: Most ecoli strains that are used to make competent cells contain a mutation in an endonuclease Why would this mutation be useful?
Question 3: What are the expected results suppose to be with no ampicilin plates? Why?
Please read all the questions carefully and answer them.