In Transcription

Multiple Choice

In transcription,

A) several amino acids are assembled by the messenger RNA molecules at one time.
B) a special sequence called a promoter is necessary for transcription to begin.
C) certain polypeptide sequences are governed by one ribosome, whereas other sequences are produced by multiple ribosomes.
D) the transfer RNA molecules arrange the messenger RNA codons into the appropriate sequence.
E) all of these occur.