It is based on shared characteristics
The CNS involves the brain and spinal cord and the PNS involves the body nerves.
My answer is A i hope this really helps u!
The answer is A. RNA polymerase will be making an mRNA using a single DNA strand as a template. So, for example if the DNA strand is AGGCAGC the mRNA strand will be UCCGUCG.
U= uracil which replaces thymine in mRNA molecules.
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i hope my answer helped!!!!!!!</span>
