Answer:
to the restricted section
Explanation:
Answer:
I think it is A. I'm only guessing because I have never heard of an Oncogene before.
Evidence to back up your claim, and a conclusion.
Answer: Made mostly of collagen, bone is living, growing tissue. Collagen is a protein that provides a soft framework, and calcium phosphate is a mineral that adds strength and hardens the framework. This combination of collagen and calcium makes bone strong and flexible enough to withstand stress.