oT influence the starvation response in bacteria? What is the role of the basal transcription factor IIB (TFIIB) in the regulation of gene expression?…

How does the enzyme SpoT influence the starvation response in bacteria?
What is the role of the basal transcription factor IIB (TFIIB) in the regulation of gene expression?
Name 3 epigenetic modifications that happen to histone proteins that result in chromatin remodelling.
What is miRNA and what is its role in post-transcriptional gene regulation?