kadar63971 kadar63971 02-07-2020 Biology contestada RNA Polymerase ATGCTGCATGA CGGTCAC REC... o CG AC 3 DNA Strands Direction in which the mRNA will be built RNA Nucleotides Complete 9 additional base pairs. Remember, there is no thymine (T) in RNA. The adenine (A) in the DNA needs to pair with uracil (U).