DNA VIII - Regulation of gene expression

What do promoters used by eukaryotic RNA Pol' ii usually consist of?

What are UPE's?

What happens if you put an unmodified eukaryotic gene in, say, an E. Coli cell?

What do eukaryotic promoters used by RNA Pol' ii require?

What does the core promoter interact with?

What do these GTF recoginse?

Describe the initiation of transcription in eukaryotic cells

What is TFIID?

How is the pre-initiation complex formed?

What is essential for the transcription of a gene?

What do these transcription factors stimulate?

What is the result of histone acetylase recrutment?

What do tissues have the properties of?

What sort of genes exist in Eu?

What sort of genes are most prokaryotic genes?

What is the purpose of these genes?

How can gene expression be controlled?

What is the advantage of inducible genes?

What does the Lac Operon consist of?

What does Lac Z do?

What does Lac Y do?

What does Lac A do?

Draw a sequence of the Lac Operon

Where are lac genes positioned?

What is the Lac I

How is Lac i expressed?

What is the Operator?

What does this complex stimulate?

What even is an operon?

Why is this arrangement so energetically favourable?

How is the Lac Operon repressed?

How is the lac operon induced?

What happens if glucose is present?

What makes a weak or strong promoter?

Why is the Lac promoter gene quite weak?

What are the lac promoter sequences?

What sort of repression happens as a result of glucose?

How does it work?

How does the cAMP-CAP complex stimulate strong transcription of the lac operon?

Draw a diagram showing catabolite and LRP repression and a diagram of the lac operon being expressed