You are presented with the quiz "cells that divide which way may form masses of neoplastic origin?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cells that divide uncontrollably may form a tumor, or abnormal mass of cells" and "tumor Tumors are masses of neoplastic origin". 

So, what's the best answer to the question?


 

       uncontrollably    