You are presented with the question "What are needed to build cells?" and the following answer choices: 
- hormones
 - food
 - RNA
 - isotopes
 - fats
 - clorophyll
 - DNA
 - p53

Now knowing that protein is used to repair cells by the human body and dNA makes proteins, proteins build cells, and cells make up people, choose the best answer.


 

       DNA  