You are presented with the question "cancer is a defect that occurs when there is no longer regulation of what?" and the following answer choices: 
- injections
 - breathing
 - disease
 - cycles
 - glucose
 - the skin
 - Energy
 - attitude

Now knowing that cancer is a disease that occurs when the cell cycle is no longer regulated and cancer is a defect in regulation of the cell cycle, choose the best answer.


 

    cycles     