Answer:
Most of the time, cells are in interphase, where growth occurs and cellular components are made. DNA is manufactured during S phase. To prepare the cell for Sphase (DNA synthesis), G1 phase occurs (the preparation of DNA synthesis machinery, production of histones).
A law can be repeated every time while a theory can not a law has more facts and statistics supporting its results while a theory has not been proven and really just cant be trusted as much as a law.