Q. Which of the follow statements regarding cancer risk factors is false?
Select one answer.
a. Factors that alter DNA and make cells cancerous are known as carcinogens.
b. Mutagens are generally not carcinogens.
c. X-rays and ultraviolet radiation are two of the most potent carcinogens.
d. Broccoli and cauliflower are thought to be particularly rich in substances that help prevent cancer.