The Nucleus and Its Membrane
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Questions and Answers

What is the function of the nuclear membrane in a eukaryotic cell?

  • To selectively permit the movement of substances in and out of the nucleus (correct)
  • To synthesize ribosomal RNA
  • To store genetic information in the form of chromosomes
  • To provide structural support to the nucleus

What is the main function of the nucleolus within the nucleus?

  • Maintain the nuclear membrane
  • Store genetic information
  • Facilitate protein synthesis
  • Synthesize ribosomal RNA (correct)

What is the composition of the nuclear membrane in eukaryotic cells?

  • Carbohydrate-based membrane
  • Single-layered lipid membrane
  • Protein-based membrane
  • Double-layered lipid membrane (correct)

What are chromosomes composed of in eukaryotic cells?

<p>Nucleotides arranged as a double helix (A)</p> Signup and view all the answers

What is the role of histones in association with eukaryotic DNA macromolecules?

<p>Bind to the DNA by ionic interactions (B)</p> Signup and view all the answers
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