Exam 32: The Control of Gene Expression in Eukaryotes

Describe the mechanism by which a steroid hormone receptor antagonist can function as a drug.

What eukaryotic DNA binding structure is similar to the prokaryotic helix-turn-helix?

Regions that contain far more methylated cytosine than others are called

The ______________ histone seals off the nucleosome at the location at which the linker DNA enters and leaves.

Molecules that bind to a receptor and trigger signaling pathways are called

The human genome contains genes for about _______________ proteins.

Give examples of epigenomic changes resulting in different cell types.

What is the function of mediator in regulating transcription?

DNA regions that serve as binding sites for transcription factors which can act at a distance to perturb the local chromatin structure are called _________________.

Although there are many differences between prokaryotic and eukaryotic gene expression,in what significant way due to the common structure of DNA are they similar?

What are proteins that act in a coordinated manner with hormone receptors to mediate gene expression?

Describe the regulatory activity of microRNAs.

Briefly describe the path of a steroid hormone in gene regulation.

Bromodomains are part of complexes which

The existence of stable cell types is due to differences in _____.

Which of the following causes a decrease in transferrin receptor levels and an increase in ferritin levels?

Describe how the IRE-binding protein regulates ferritin levels when iron levels are low.

What is meant by combinatorial control of transcription in eukaryotes,and what is the advantage to this mechanism?

Why must gene regulation be more complicated in eukaryotic cells when compared to prokaryotic cells?

Gene regulation by microRNAs involves