Podcast
Questions and Answers
Which molecular epigenetic mechanism involves specific posttranslational modifications combinations in different chromatin regions?
Which molecular epigenetic mechanism involves specific posttranslational modifications combinations in different chromatin regions?
- Chromatin condensation
- microRNAs
- DNA methylation
- Histone modifications (correct)
What is the role of erasers in the histone code?
What is the role of erasers in the histone code?
- Introduce modifications on DNA and histone tails
- Facilitate gene transcription
- Remove the modifications introduced by writers (correct)
- Bind to modifications using specialized domains
Which protein contributes to heterochromatin condensation by binding to histone H3 N-terminal tails trimethylated at lysine 9?
Which protein contributes to heterochromatin condensation by binding to histone H3 N-terminal tails trimethylated at lysine 9?
- Chromatin remodeling enzyme
- Heterochromatin protein 1 (HP1) (correct)
- Histone methyltransferase
- Histone acetylase
What is the proposed mechanism of histone deacetylation and hyperacetylation in yeast transcriptional control?
What is the proposed mechanism of histone deacetylation and hyperacetylation in yeast transcriptional control?
What is the role of Gcn5 in yeast transcriptional control?
What is the role of Gcn5 in yeast transcriptional control?
What is the mechanism for maintaining histone H3 lysine 9 methylation during chromosome replication?
What is the mechanism for maintaining histone H3 lysine 9 methylation during chromosome replication?
What is the main role of pioneer transcription factors?
What is the main role of pioneer transcription factors?
What is the function of histone code writers?
What is the function of histone code writers?
Which protein removes the modifications introduced by histone code writers?
Which protein removes the modifications introduced by histone code writers?
What is the role of Gcn4 in yeast transcriptional control?
What is the role of Gcn4 in yeast transcriptional control?
What is the effect of chromatin condensation on gene transcription?
What is the effect of chromatin condensation on gene transcription?
Which molecular mechanism involves modification of histone N-terminal tails in heterochromatin and euchromatin?
Which molecular mechanism involves modification of histone N-terminal tails in heterochromatin and euchromatin?
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