Chromosomes and DNA

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Questions and Answers

Which of the following is true about chromosomes in eukaryotes?

  • Chromosomes are made up of RNA only
  • Chromosomes are made up of DNA and RNA
  • Chromosomes are not present in eukaryotes
  • Chromosomes are made up of DNA and protein (correct)

What is the role of histones in eukaryotic cells?

  • Histones help in gene expression (correct)
  • Histones help in DNA replication
  • Histones help in cell division
  • Histones help in protein synthesis

How is DNA packed into chromosomes in eukaryotic cells?

  • DNA is wrapped around golgi apparatus
  • DNA is wrapped around mitochondria
  • DNA is wrapped around nucleosomes (correct)
  • DNA is wrapped around ribosomes

What is the function of nonhistone scaffolding proteins in eukaryotic cells?

<p>Nonhistone scaffolding proteins help in maintaining chromosome structure (C)</p> Signup and view all the answers

Why is the organization of DNA into chromosomes important in eukaryotic cells?

<p>To prevent DNA tangling (D)</p> Signup and view all the answers

Which of the following accurately describes the relationship between DNA and chromosomes in eukaryotes?

<p>DNA is the building block of chromosomes (D)</p> Signup and view all the answers

What is the main function of histones in eukaryotic cells?

<p>To organize DNA into chromosomes (B)</p> Signup and view all the answers

How are nucleosomes organized in eukaryotic cells?

<p>They form chromatin fibers (C)</p> Signup and view all the answers

Why is the organization of DNA into chromosomes important in eukaryotic cells?

<p>To prevent tangling of DNA (A)</p> Signup and view all the answers

What are chromosomes made of in eukaryotes?

<p>Chromatin fibers (D)</p> Signup and view all the answers

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