<span>Purines and pyrimidines form hydrogen bonds between each other. Certain polar chemical groups form electrostatic interactions or hydrogen bonds. The A-T and C-G pairings form the hydrogen bonds between the amine and carbonyl groups on the complementary bases.</span>
It can control blood pressure and reduce it
Answer:
ik for sure the secound blank is uterine lemme work on the seccound part
Explanation:
The answer is A. Good luck!
