Feelings of satisfaction is the body's way of telling you to:
stop eating
continue eating
eat a different kind of food
wait 20 minutes before eating again

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.