One of the 4 nucleic acid bases. They connect the two strands of the DNA double strand by means of hydrogen bonds, the principle of so-called complementarity of bases. derived from pyrimidine. It is part of nucleic acids, where it forms a complementary pair with guanine using three hydrogen bonds.
Part A: B
Part B: C
Hope this helps!
Organ system is the most complex in organization
Answer:
first give the following options bro..