They use the directions found in DNA to make Proteins & Polypeptides.
If this is for the scientific process unit, the answer is passing laws to prevent certain types of scientific research. I know because I had this question in biology.
Superficially, the connection between the cell cycle and cancer is obvious: cell cycle machinery controls cell proliferation, and cancer is a disease of inappropriate cell proliferation. Fundamentally, all cancers permit the existence of too many cells.
Sun thermal energy travels than water absorbs the heat then it heads to the south then
Biology is the study of life so a Biologist would study biology: the study of life and living things.