20230510 - Most adult cells are not ______________________ . This is because progression through the cell cycle is ______________________ to prevent uncontrolled growth. Exposure to ______________________ can damage cells by altering, or mutating, their DNA. Mutations can then lead to the transformation of normal cells to ______________________ . Many cancer cells do not require external factors like particular nutrients and temperature controls in order to divide. They avoid programmed cell death (______________________ ), begin to grow quickly, and form ______________________ .