How Does Estradiol Stimulate the Growth of Breast Cancer Cells

Multiple Choice

How does estradiol stimulate the growth of breast cancer cells?

A) Estradiol is a toxin, and all toxins stimulate the growth and spread of cancer.
B) Estradiol is a damaged estrogen that stimulates the growth of damaged cell.
C) Estradiol binds to breast cancer cell receptors as well as receptors found in other parts of the body.
D) Once a woman reaches adulthood, estradiol has no purpose in the body and so it causes breast cancer.
E) All of the above statements about estradiol are true.