The moon revolves around the Earth as a natural satellite.
The four bases in DNA are: adenine, thymine, cytosine, guanine.
In RNA, thymine gets replaced by uracil.
Purine is only a name for the two bases guanine and adenine.
Answer:how much alligators are we talking about
Explanation:
B - Enzymes act as catalysts because they lower the activation energy
