Podcast
Questions and Answers
What is the term for the DNA-protein complex that is highly conserved in all eukaryotes?
What is the term for the DNA-protein complex that is highly conserved in all eukaryotes?
- Histone
- Nucleosome
- Sister chromatid
- Chromatin (correct)
What is the primary function of histones in chromatin formation?
What is the primary function of histones in chromatin formation?
- To condense DNA and prepare it for further condensation (correct)
- To replicate DNA during the S phase
- To transcribe DNA into RNA
- To translate RNA into proteins
What is the approximate length of DNA in humans?
What is the approximate length of DNA in humans?
- 3m/9.8ft
- 4m/13.1ft
- 1m/3.3ft
- 2m/6.5ft (correct)
Which type of proteins are involved in the physical structure of the chromosome, in addition to histones?
Which type of proteins are involved in the physical structure of the chromosome, in addition to histones?
What is the net charge of histone proteins?
What is the net charge of histone proteins?
What is the stage of the cell cycle in which chromosomes duplicate into sister chromatids?
What is the stage of the cell cycle in which chromosomes duplicate into sister chromatids?
What is the function of non-histone proteins in chromatin formation?
What is the function of non-histone proteins in chromatin formation?
What is the diameter of the nucleosome core in chromatin formation?
What is the diameter of the nucleosome core in chromatin formation?
How does the protein H1 contribute to chromatin formation?
How does the protein H1 contribute to chromatin formation?
What is the name of the regions where non-histone proteins bind to form loops in chromatin structure?
What is the name of the regions where non-histone proteins bind to form loops in chromatin structure?
What is the ratio of the length of fully condensed chromosome to the length of DNA alone?
What is the ratio of the length of fully condensed chromosome to the length of DNA alone?
How many nucleosomes are present in each loop of DNA in chromatin structure?
How many nucleosomes are present in each loop of DNA in chromatin structure?
During which stage of the cell cycle is chromatin most condensed?
During which stage of the cell cycle is chromatin most condensed?
What type of proteins forms the scaffold for additional chromatin condensation during mitosis and meiosis?
What type of proteins forms the scaffold for additional chromatin condensation during mitosis and meiosis?
Which type of chromatin is actively transcribed and lacks repetitive sequences?
Which type of chromatin is actively transcribed and lacks repetitive sequences?
What is the function of centromeres during mitosis and meiosis?
What is the function of centromeres during mitosis and meiosis?
Which type of heterochromatin varies between cell types or developmental stages?
Which type of heterochromatin varies between cell types or developmental stages?
What is the primary function of yeast (Saccharomyces cerevisiae) centromeres?
What is the primary function of yeast (Saccharomyces cerevisiae) centromeres?