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Questions and Answers

What is the correct name for the collection of all DNA in a cell or organism?

  • Nucleoid
  • Genome (correct)
  • Chromatin
  • Chromatid

Which statement is true about the capsid structure?

  • It produces viral proteins.
  • It is made of RNA.
  • It is the outer membrane of a virus.
  • It contains the viral genome. (correct)

What is the role of NAPs in bacterial cells?

  • They replicate the bacterial genome.
  • They keep the genome organized and compact. (correct)
  • They transport proteins out of the cell.
  • They provide structural support to the cell wall.

Which type of chromatin is gene-rich and replicates early in S phase?

<p>Euchromatin (A)</p> Signup and view all the answers

What is the primary difference between a nucleosome and a chromatosome?

<p>Presence of histone H1 (A)</p> Signup and view all the answers

Which of the following statements about the structure of DNA is correct?

<p>Adenine pairs with thymine. (A)</p> Signup and view all the answers

What is one characteristic that is FALSE about viral genomes?

<p>They are always made of RNA. (A)</p> Signup and view all the answers

Which proteins compose the core of the nucleosome?

<p>H2A, H2B, H3, and H4 (A)</p> Signup and view all the answers

Flashcards

Genome

The complete set of DNA in an organism, cell, or organelle.

Capsid

The protein shell surrounding a viral genome.

Nucleoid Region

The area in bacteria where the DNA is located.

Nucleosome

DNA wrapped around histone proteins.

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Euchromatin

Gene-rich chromatin that replicates early in S phase.

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Histone H1

Histone that stabilizes the nucleosome structure.

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Bacterial Genome Structure

Circular chromosome, in nucleoid region, with NAPS involved in organization.

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Nucleosome protein composition

Two copies each of H2A, H2B, H3, and H4.

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