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Questions and Answers
What type of chromatin is generally associated with activation of transcription?
What type of chromatin is generally associated with activation of transcription?
- Telochromatin
- Heterochromatin
- Euchromatin (correct)
- Mesochromatin
Which type of chromatin is generally associated with repression of transcription?
Which type of chromatin is generally associated with repression of transcription?
- Parachromatin
- Heterochromatin (correct)
- Metachromatin
- Euchromatin
What type of chromatin has a more open structure and less compaction level?
What type of chromatin has a more open structure and less compaction level?
- Heterochromatin
- Euchromatin (correct)
- Epichromatin
- Cryptochrome
Which type of chromatin has a more condensed structure and higher compaction level?
Which type of chromatin has a more condensed structure and higher compaction level?
What type of modifications on histone proteins are generally associated with activation of transcription?
What type of modifications on histone proteins are generally associated with activation of transcription?
Which type of modifications on histone proteins are generally associated with repression of transcription?
Which type of modifications on histone proteins are generally associated with repression of transcription?
Which type of chromatin is transcriptionally inactive in general?
Which type of chromatin is transcriptionally inactive in general?
What is a characteristic of euchromatin?
What is a characteristic of euchromatin?
Which region can interconvert between euchromatin and heterochromatin?
Which region can interconvert between euchromatin and heterochromatin?
During interphase, in which type of chromatin are most chromosomal regions euchromatic?
During interphase, in which type of chromatin are most chromosomal regions euchromatic?
Which type of chromatin undergoes little gene transcription in metaphase chromosomes?
Which type of chromatin undergoes little gene transcription in metaphase chromosomes?
What happens to the compaction level of sister chromatids by the end of prophase?
What happens to the compaction level of sister chromatids by the end of prophase?
What type of chromatin is typically less condensed, more accessible for gene expression, and actively transcribed?
What type of chromatin is typically less condensed, more accessible for gene expression, and actively transcribed?
Which proteins are involved in compaction of eukaryotic chromatin by binding to the DNA backbone?
Which proteins are involved in compaction of eukaryotic chromatin by binding to the DNA backbone?
What is the role of nucleoid-associated proteins (NAPs) in prokaryotic DNA compaction?
What is the role of nucleoid-associated proteins (NAPs) in prokaryotic DNA compaction?
Which type of chromatin is typically highly condensed, transcriptionally inactive, and involved in structural functions like centromeres?
Which type of chromatin is typically highly condensed, transcriptionally inactive, and involved in structural functions like centromeres?
In eukaryotic chromosomes, which histone protein acts as the linker histone between nucleosomes?
In eukaryotic chromosomes, which histone protein acts as the linker histone between nucleosomes?
What is the approximate length of a single set of human chromosomes when stretched end to end?
What is the approximate length of a single set of human chromosomes when stretched end to end?
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