You Place Mammary Gland Epithelial Cells in Culture and Then

Multiple Choice

You place mammary gland epithelial cells in culture and then treat them with enzymes that digest the surrounding extracellular matrix. If extracellular matrix materials are then added back to the cells, what happens?

A) The cells continue to decline in secretory and synthetic activities.
B) The cells digest the extracellular materials through endocytosis.
C) The differentiated state of the cells is restored and the cells produce their usual products.
D) The cells die.
E) The cells become stem cells and differentiate into many different types.