The second process of the nitrogen cycle after nitrogen fixation in the atmosphere. Nitrogen enters the living components through a process called nitrogen assimilation. This is the absorption of nitrite ions in plants roots or through digestion of plants enriched with nitrogen.
A=t g=c so if you have gta-gca the opposite strand would be cat-cgt.
Transfer water hope this helps!
Cells -> Tissues -> Organs -> Organs systems -> Organisms