Multiple Choice
What is chromatin in eukaryotic cells?
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16. Regulation of Expression
Eukaryotic Chromatin Modifications
Back16. Regulation of Expression
Eukaryotic Chromatin Modifications
- Multiple ChoiceWhat is the primary function of DNA methylation in eukaryotic cells?
- Multiple ChoiceWhat effect does methylation of CpG islands have on human promoters?
- Multiple ChoiceWhich of the following examples could potentially lead to epigenetic effects in eukaryotic chromatin?
- Multiple Choice
Histone acetylation is associated with:
- Multiple ChoiceWhich of the following represents a key functional role of heterochromatin in eukaryotic cells?
- Multiple ChoiceWhat is heterochromatin in eukaryotic cells?
- Multiple ChoiceA scientist clones a regulatory gene that is involved in controlling the expression of other genes and discovers that the regulatory gene encodes an enzyme that acetylates histones. It is likely that this enzyme regulates gene expression by __________.2views
- Multiple ChoiceIn the "beads on a string" structure of unfolded chromatin, the "beads" are __________.1views
- Multiple ChoiceThe expression of a gene located in a tightly coiled region of DNA can be promoted by __________.2views
- Multiple ChoiceWhat is the primary difference between euchromatin and heterochromatin in eukaryotic cells?1views
- Multiple Choice
Which of the following causes transcription to be increased for a specific gene?
- Multiple Choice
Transcriptional repression by methylation of DNA involves the methylation of which nucleotide?
2views - Multiple ChoiceIn some cases, DNA methylation and removal of acetyl groups from histones (i.e., deacetylation) combine to __________.1views