Fact 1: Oncogenes promote the division of cells with damaged DNA.

Fact 2: Again, oncogenes turn on cell growth.

Given the two facts above, answer the question "What promotes the division of cells with damaged DNA?" with the following options: 
- harmful substances
 - Electrical energy
 - turning on cell growth
 - Chemical energy
 - Something that makes plants green
 - electromagnetic energy
 - oxidation reaction
 - It helps them survive


 

   turning on cell growth      