contestada

Cancer is marked by uncontrolled cell growth and division. Which factor in excessive amounts contributes to this development?
signal molecules
binary fission
uncontrolled meiosis
radiation therapy

Respuesta :

naads
uncontrolled meiosis of cells 
these cells divide uncontrollably forming tumour which eventually develops into a cancer and these cells cannot be removed by the immune system
Cyu437

signal molecules is the answer