19.1-Bentley

1. What characteristics of cancer cells allow them to grow uncontrollably? "telomerase continuosly rebuilds the telomeres in cancer cels so that the telomeres remains at a constant lenght, and the cell can keep dividing over and oer again."

2. Mutation in what two types of genes lead to uncontrollable growth?

proto-oncogenes and tumor -supressor genes

3. What are the most common types of cancer? luekemia, thyroid cancer, breast cancer, cervix, ovaries, prostate, bladder, kidney, urinary, skin cancer, oral cavity.