Answer:
I think it's C but it could also be D. In my opinion all of them are complex in their own ways.
Explanation:
Answer:
A. Nucleotides
Explanation:
Nucleic acids are composed of smaller subunits called nucleotides. A nucleotide is a nucleoside with one or more phosphoryl group by esterlinkage. When it is in the form of RNA the bases are called adenylate, guanylate, cytidylate, and uridylate.
The suffix for in the urine is "uria"