An Estrogen-Dependent Breast Cancer Cell Line Is Grown in a Medium

question 10

Multiple Choice

An estrogen-dependent breast cancer cell line is grown in a medium that contains estrogen.Cell proliferation is monitored over time.In a separate experiment,the cell line is grown in a medium that lacks estrogen but includes bisphenol A,a compound found in polycarbonate plastics.When monitored,cell proliferation is higher than in the presence of estrogen.A possible explanation of these results is that bisphenol A

• A) inhibits the binding of estrogen to the estrogen receptor.
• B) is an agonist of the estrogen receptor.
• C) inhibits adenylate cyclase.
• D) is toxic to the cell line.