What isn't a function of proteins is storage and the transmission of heredity - a. For this job we have DNA and not proteins. For all the other things you've listed - help in fighting disease, control over the rate of reactions and regulation of cell processes and bone and muscle formations all are example of what proteins do.
Answer: An example of environments that could have influenced you could be poverty, because if you grow up in a poor you are more likely to drop out.
An example of genetics could be if your parents have a illness or a condition and that could effect you if it was passed down to you.
Hope this helps!
Explanation:
I'm pretty sure it's B. Tar
In those times there were not many medicines and most diseases had no cures
