If cells bound by antibodies can be found on cancer cells and the cells of transplanted organs, then where can cells bound by antibodies more likely be found?

Answer choices:
- critical organs
 - colder and wetter
 - the environment
 - Earth orbiting the Sun
 - Veins and arteries.
 - epidermis and dermis
 - on cancer cells
 - the skin

 

       on cancer cells   