Molecules of mRNA are composed of relatively short, single strands of molecules made up of adenine, cytosine, guanine and uracil bases held together by a sugar phosphate backbone.
Hope This Helps, Lexi
Which of what? I need more information to decipher that.
Answer: A) nucleotide
Explanation: I too, am also in biology :)
<em>Amoeba </em>is an example of an E<span>ukaryote.
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A. Bacteria are single-celled.
I think it would be this because humans have way more than one cell, and the other ones are the same as us.
Just guessing
