Each nitrogenous base has one counterpart. The purines are adenine and guanine and they pair with the pyrimidines thymine and cytosine, respectively. There are two hydrogen bonds between adenine and thymine and three hydrogen bonds between guanine and cytosine.
Answer:
I believe your answer would be A
Explanation:
The stereotype is that all australians are some sort of zookeepers? and wear clothes like that. also that they drink beer a lot.
The greek word bio means indicating or involving life or living organisms and logia means the study of
Answer:
a simple sugar that is present in organisms mostly plants that gives them energy
