Histones and Nucleosomes Quiz

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Questions and Answers

What action is prohibited regarding course materials according to the text?

  • Uploading
  • Distributing
  • Reproducing
  • All of the above (correct)

Which entity owns the rights to the course materials mentioned in the text?

  • Students
  • Faculty members
  • Government
  • University (correct)

What is explicitly forbidden in terms of capturing images or voice during lectures or tutorials?

  • Taking photographs
  • Filming
  • Recording audio
  • All of the above (correct)

What does the University warn will happen if you infringe on their copyright?

<p>You may face disciplinary proceedings and/or legal action (C)</p> Signup and view all the answers

When is the Molecular Cloning simulation scheduled to take place?

<p>03/Feb-09/Feb 2024 (B)</p> Signup and view all the answers

What is a key characteristic of Lampbrush Chromosomes?

<p>Visible under a light microscope (A)</p> Signup and view all the answers

Who determined the DNA structure in 1953?

<p>James Watson &amp; Francis Crick (B)</p> Signup and view all the answers

What is the purpose of Chromosome Conformation Capture (3C) technique?

<p>To determine the position of loops in interphase (D)</p> Signup and view all the answers

What is the base composition of DNA?

<p>Purine: Adenine or Guanine, Pyrimidine: Cytosine or Thymine (B)</p> Signup and view all the answers

How are loops in human chromosomes organized according to the Model for Interphase Chromosome?

<p>Into loops of different lengths (D)</p> Signup and view all the answers

What allows the visualization of gene position using FISH?

<p>Chromatin location (C)</p> Signup and view all the answers

What is the function of linker histone H1?

<p>It changes the path of the DNA as it exits the nucleosome (C)</p> Signup and view all the answers

How do histones contribute to chromatin packaging?

<p>The histone tails extend out of the nucleosome (A)</p> Signup and view all the answers

What is the role of ATP-dependent chromatin remodeling complexes in nucleosomes?

<p>Exchange histones like H2A-H2B dimers from nucleosomes (D)</p> Signup and view all the answers

How does DNA packaging differ between prokaryotes and eukaryotes?

<p>Eukaryotes have a more complex packaging system with additional histone variants (D)</p> Signup and view all the answers

What technique is used to determine the type of cells in a tube?

<p>Flow Cytometry (B)</p> Signup and view all the answers

Which process involves reprogramming adult cells to give rise to a complete organism?

<p>Genomic Reprogramming (D)</p> Signup and view all the answers

What is the main difference between stem cells and adult somatic cells?

<p>Stem cells can give rise to all cell types, while adult somatic cells cannot. (C)</p> Signup and view all the answers

What drives the movements of genes within the nucleus?

<p>Diffusion (C)</p> Signup and view all the answers

Which method is used to separate cells based on their DNA content and cell surface proteins?

<p>Flow Cytometry (B)</p> Signup and view all the answers

How are antibodies utilized in research according to the text?

<p>Extensively in research for foreign antigens (B)</p> Signup and view all the answers

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