Answer:
- DNA is made up of molecules called nucleotides.
- Each nucleotide contains a phosphate group, a sugar group and a nitrogen base.
- The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
(hope this is what u r looking for since there is no specification) #answerwithquality #BAL
A chain of neurons help communicate through this thing called an electrochemical process!
The Answer to the question
A. Nitrogen
Kidneys remove excess water etc.
