If they are continuously dividing this means there is something wrong with them because normal cells don't do this. That means they have an error in their DNA. If it grows incessantly this error is being spread in the body when it shouldn't be, which can lead to subversive effects on the human body
<span>The endosymbiotic theory deals with the origins of mitochondria and chloroplasts, two eukaryotic organelles that have bacteria characteristics. Mitochondria and chloroplasts are believed to have developed from symbiotic bacteria, specifically alpha-proteobacteria and cyanobacteria, respectively.</span>