Keywords: Oncogene activation illustration.jpg This illustration explains how a normal cell becomes a cancer cell An oncogene in a normal cell appears to regulate and influence cell growth and division When a cancer causing agent affects a cell's DNA and the oncogene is activated a cancer cell develops Topics/Categories Cells or Tissue Abnormal Cells or Tissue Historical Graphics Type Color Illustration Source National Cancer Institute Jane Hurd Illustrator 2445 1989-03 Reuse Restrictions None - This image is in the public domain and can be freely reused Please credit the source and/or author listed above Jane Hurd Illustrator PD-USGov-HHS-NIH Media from National Cancer Institute Visuals Online Images uploaded by Fæ |