What is the purpose of a transformation?

What is the purpose of a transformation? b) Why did we add ampicillin to our media? Be sure to describe its purpose as it relates to a successful transformation. c) Why did we add arabinose? d) What is the end result of a successful transformation? e) Using the results from your transformation experiment and mine give 2 reasons why your transformation was not successful. f) How would you solve those reasons?