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Questions and Answers

What is the primary function of antimicrobial drugs?

  • To cure noncommunicable diseases
  • To increase microbial diversity
  • To enhance the growth of host cells
  • To interfere with the growth of microbes (correct)
  • What does the term 'selective toxicity' refer to?

  • Creating synthetic drugs from microbial sources
  • The ability to enhance host immune response
  • Destroying pathogens without harming the host (correct)
  • Affecting both pathogens and host cells equally
  • Which type of antimicrobial drug primarily inhibits protein synthesis?

  • Vancomycin
  • Penicillin
  • Rifamycin
  • Chloramphenicol (correct)
  • What are 'superbugs'?

    <p>Bacteria resistant to many antibiotics</p> Signup and view all the answers

    Which of the following describes a communicable disease?

    <p>A disease that can be transmitted between hosts</p> Signup and view all the answers

    How is the zone of inhibition measured in the Disk Diffusion Method?

    <p>By measuring the diameter around the disk</p> Signup and view all the answers

    What does the term 'nosocomial diseases' refer to?

    <p>Infections acquired in hospital settings</p> Signup and view all the answers

    Which of these statements is true regarding signs and symptoms of disease?

    <p>Signs can be objectively measured</p> Signup and view all the answers

    What is the primary role of transcription in protein synthesis?

    <p>To make a copy of DNA into mRNA</p> Signup and view all the answers

    What is the main function of codons in mRNA?

    <p>To define the sequence of amino acids</p> Signup and view all the answers

    Which of the following is NOT true about the structure of DNA?

    <p>Covalent bonds link nitrogenous bases to the backbone</p> Signup and view all the answers

    In which part of the cell does DNA replication occur in eukaryotic cells?

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

    What is the primary difference between purines and pyrimidines?

    <p>Purines are larger molecules with two carbon-nitrogen rings, while pyrimidines have one</p> Signup and view all the answers

    What defines a genotype?

    <p>The genetic makeup of an organism for a specific trait</p> Signup and view all the answers

    What is the role of the release factor during translation?

    <p>To terminate translation by recognizing the stop codon</p> Signup and view all the answers

    Which process contributes to genetic diversity among bacteria?

    <p>Horizontal gene transfer</p> Signup and view all the answers

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