Answer:
1. Purines
2. States that DNA composition varies among species
3. Hydrogen Bond
4. Purines
<em>Answer to #2 is a little iffy </em>-- sorry
Explanation:
Pyrmidines have two rings
Purines have one ring
Complementary bases are connected by hydrogen bonds.
That students who study make better grades than those who do not.
Answer:
what we should do in this???
B the higher the number the colder it is because it is away from the eqator
Answer:
Science and biology i think
Explanation:
