This dark mass on skin, a form of skin cancer, is directly due to a the crowding of released antigens. b meiotic division of normal cells. c production of excessive protein inhibitors. d the uncontrolled mitosis and growth of abnormal cells.

Answer 1

The correct answer is d: the uncontrolled mitosis and growth of abnormal cells.

Skin cancer, including forms like melanoma, is characterized by the uncontrolled growth of abnormal skin cells due to mutations that lead to cell cycle dysregulation. This can result in the formation of dark masses on the skin.