RNA polymerase from E.coli (core enzyme alone) has all of the following properties except that it:
A) can extend an RNA chain and initiate a new chain.
B) is required for the synthesis of mRNA,rRNA,and tRNA in E.coli.
C) produces an RNA polymer that begins with a 5'-triphosphate.
D) recognizes specific start signals in DNA.
E) requires all four ribonucleoside triphosphates and a DNA template.
Correct Answer:
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