Molecular Biology Questions
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is relevant for ribosomal attachment of specific sequence in bacteria?

  • CAAT box
  • Shine Dalgarno sequence (correct)
  • Enhancer sequence
  • TATA box
  • Which of the following describes the A form of DNA structures?

  • Left-handed helix with 10 base pairs per turn
  • Right-handed helix with 10 base pairs per turn
  • Left-handed helix with 12 base pairs per turn
  • Right-handed helix with 11 base pairs per turn (correct)
  • DNA gyrase and topoisomerase IV are the targets of anti-bacterial drugs. What are type I and II topoisomerases the target of in humans?

  • Antibiotic agents
  • Anti-tumor agents (correct)
  • Antifungal agents
  • Antiviral agents
  • A nucleosome core plus H1 is known as a:

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

    What protects the ends of linear chromosomal DNA from degradation and gradual shortening?

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

    What is the main target of type I and II topoisomerases in humans?

    <p>anti-tumor agents in humans</p> Signup and view all the answers

    A nucleosome core plus H1 is known as a:

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

    What protects the ends of the linear chromosomal DNA from degradation and gradual shortening?

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

    Which of these structures is the smallest unit of chromatin organization?

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

    Which enzyme is involved in cutting DNA during processes such as DNA repair?

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

    Study Notes

    Ribosomal Attachment in Bacteria

    • The Shine Dalgarno sequence is relevant for ribosomal attachment of specific sequence in bacteria.

    DNA Structure

    • A form of DNA has specific characteristics, including all of the above features.

    Targets of Anti-Bacterial Drugs

    • DNA gyrase and topoisomerase IV are targets of anti-bacterial drugs in bacteria.

    Targets of Anti-Tumor Agents

    • Type I and II topoisomerase are targets of anti-tumor agents in humans.

    Nucleosome Structure

    • A chromatosome is a nucleosome core plus H1.

    Telomeres

    • Telomeres protect the ends of linear chromosomal DNA from degradation and gradual shortening.

    Types of Targets

    • Type I and II are targets of anti-tumor agents in humans.

    Nucleosome Structure

    • A nucleosome core plus H1 is known as a chromatosome.

    Chromosomal DNA Protection

    • The ends of near chromosomal DNA are protected from degradation and gradual shortening by telomeres.
    • Telomeres protect DNA from degradation by endonucleases and exonucleases.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Test your knowledge of molecular biology concepts, including DNA structure, gene expression, and enzymes. Answer questions on DNA gyrase, topoisomerase IV, nucleosomes, and more.

    More Like This

    Use Quizgecko on...
    Browser
    Browser