1. What is a polycistronic mRNA? How are polycistronic mRNAs formed? 2. What is a consensus sequence? What is the importance of the existence of different sigma factors and consensus sequences in...

1. What is a polycistronic mRNA? How are polycistronic mRNAs formed?

2. What is a consensus sequence? What is the importance of the existence of different sigma factors and consensus sequences in bacterial promoters?

3. Tabulate the similarities and differences between factor-dependent and factor-independent transcription termination.