The protein in the question can be referred to enzymes since its made of protein. The first statement is the answer
The four bases in DNA are: adenine, thymine, cytosine, guanine.
In RNA, thymine gets replaced by uracil.
Purine is only a name for the two bases guanine and adenine.
C : You would see a solid piece of wire underneath the coating.
Stay inside!
If you can't find shelter stay in your car but do not stand underneath a tree for fear of lightning!
A horn results when glaciers erode three or more aretes, usually forming a sharp edged peak