What is not true about transcription?
a.RNA polymerase binds to specific upstream regions in a gene known as promoters
b.Not all RNAs, transcribed using a given DNA template, are translated into proteins
c.The nitrogenous base, uracil, pairs up with adenine in the template DNA
d.RNA polymerase adds new RNA nucleotides to the 3' end a previous nucleotide
e.Only a single molecule of mRNA is copied from a given DNA template