Answer: it’s a made up of molecules called nucleotides. Each nucleotides contain a phosphate group, a sugar group and nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G), and cytosine (C)
Explanation:
Migration is D, the seasonal movement of organisms between locations!
Sulfhyfryl group! I swear I remember Bill Nye saying that when you perm straight, you’re breaking and rearranging sulfur bonds!
It helps give a visual and physical demonstration.
I believe that would be an organ system
