Answer:
2.all different types of organisms
I found answers for the subject you asked on Quizlet. Hope this helps you! https://quizlet.com/119045010/health-cpr-flash-cards/
<span>Like DNA, RNA polymers are make up of chains of nucleotides *. These nucleotides have three parts: 1) a five carbon ribose sugar, 2) a phosphate molecule and 3) one of four nitrogenous bases: adenine, guanine, cytosine or uracil.
i hope this helps if it does can i get brainliest answer</span>