All of the Following Statements Concerning MRNA Are True EXCEPT

Multiple Choice

All of the following statements concerning mRNA are true EXCEPT which one?

A) RNA polymerase II is responsible for mRNA synthesis.
B) The initial transcription product is a high molecular weight precursor termed heterogeneous nuclear RNA.
C) mRNA contains a cap structure at its 5' end but hnRNA does not.
D) The leader sequence at the 5' end of the mRNA molecule does not code for any amino acids.
E) Both hnRNA and mRNA contain poly(A) at their termini.