Answer: It is important that cells have a "control system" because without it cells would either divide too fast or cause tumors to grow (cancer), or divide too slow and not be able to perform their cellular functions which is why the cells are controlled.
Radioactive decay is measured in half-lives.
Its D I Just Took The Test
D.the particle is a cell becayse it does not make proteins and cannot reproduce by itself
Heyo the answers to the multiple choice are A B B A C A C D A C B D D B B C C A D B I'll have the essay questions and fill in the blanks after my test is graded or you can just look them up.