Answer: Antibiotic Resistant Mutation
Explanation: Not all of the bacteria die because there are individuals in the population that have an antibiotic resistant mutation, which causes them to be adapted to dealing with the antibiotic. There will be a large population of bacteria again because the ones with the mutation survive, reproduce, and pass the antibiotic resistance trait on.
Answer: They do this to obtain the vital nitrogen that they need to grow.
Explanation:
I believe the answer is D.
Primase enzyme catalyze the formation of an rna primer