<span>pairs of nitrogen bases. I hope It will halp
</span>
I think your talking about the lungs
Answer:
D) Adenine, Guanine, Cytosine, and Uracil
Explanation:
RNA shares three of the nitrogenous bases of DNA: Adenine, Guanine, and Cytosine. However, instead of thymine, it has Uracil!
It would be the respiratory system
RNA becomes charged during the activation process