Which statement about the synthesis of rRNA and tRNA in E. coli is TRUE?
A) Both rRNA and some tRNAs are part of the same primary transcript.
B) Each rRNA sequence (16S, 23S, 5S) is transcribed as a separate primary transcript.
C) Primary tRNA transcripts undergo methylation, but rRNA sequences are not methylated.
D) The tRNA sequences all lie at the 3'end of the rRNA transcripts.
E) There is a single copy of the rRNA genes.

Question

Quizplus · Accepted Answer

Both rRNA and some tRNAs in E. coli are indeed part of the same primary transcript. This is a unique feature of the bacterial operon system, where multiple functional RNA molecules can be synthesized from the same transcript.

Which Statement About the Synthesis of RRNA and TRNA in E