1. Before you begin this section, you should review the section on nucleic acids in general. Recall the main features of a nucleic acid molecule and how RNA molecules differ from DNA molecules.
2. There are three main types of RNA molecules in bacterial cells. On a piece of paper, list the three types and write down their features, more specifically, what is their function, do they exhibit extensive secondary structure or not, and why?
3. If you feel that you have mastered the concepts on this page, you can move to the second topic of this sub-unit, which deals with transcription.