Bacterial ribosomes are composed of several polypeptides and
A) three RNA molecules in two subunits.
B) three RNA molecules in three subunits.
C) two RNA molecules in two subunits.
D) two RNA molecules in a single complex.
E) one large RNA molecule in a single complex.

Question

Quizplus · Accepted Answer

Bacterial ribosomes are composed of two subunits, each of which contains both RNA molecules and proteins. Specifically, they consist of three different RNA molecules (16S, 23S, and 5S rRNA) across these two subunits (the smaller 30S and the larger 50S).

Bacterial Ribosomes Are Composed of Several Polypeptides and