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Chromatin Conformation and Transcription Quiz
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Chromatin Conformation and Transcription Quiz

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@ConvenientRed

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Questions and Answers

What type of DNA conformation is less condensed on EM and more accessible to a transcription factor during transcription?

  • Epichromatin
  • Metachromatin
  • Euchromatin (correct)
  • Heterochromatin

    • Which protein facilitates the process of tying nucleosome beads together in a string to stabilize chromatin?

  • Histone H4
  • Histone H3
  • Histone H1 (correct)
  • Histone H2A

    • What process usually reversibly suppresses DNA transcription?

  • Nucleosome formation
  • Histone methylation (correct)
  • DNA methylation
  • Histone acetylation

    • What gives histones their positive charge, which provides them affinity for negatively charged DNA?

    <p>Lysine and arginine</p> Signup and view all the answers

    During which phase of the cell cycle does synthesis of DNA and histones occur?

    <p>S phase</p> Signup and view all the answers

    What provides the energy to bond nucleotides?

    <p>Phosphate groups</p> Signup and view all the answers

    What molecule does deamination of cytosine yield?

    <p>Uracil</p> Signup and view all the answers

    How many hydrogen bonds are there between adenine and thymine?

    <p>2</p> Signup and view all the answers

    Which type of bond links nucleotides?

    <p>Phosphodiester bond</p> Signup and view all the answers

    What enzyme converts the ribonucleotide dUMP to deoxythymidine monophosphate (dTMP)?

    <p>Thymidylate synthase</p> Signup and view all the answers

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