Bacterial Cell Wall Deficiency Quiz
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Questions and Answers

What is one of the functions of the capsule of bacteria as mentioned in the text?

  • It aids in the breakdown of nutrients
  • It protects the bacteria against phagocytosis (correct)
  • It helps in cellular respiration
  • It regulates gene expression
  • Which staining technique is mentioned in relation to the capsule of bacteria in the text?

  • Gram staining (correct)
  • Simple staining
  • Negative staining
  • Acid-fast staining
  • How does the capsule of bacteria contribute to bacterial pathogenicity?

  • By promoting symbiotic relationships
  • By enhancing cell division
  • By protecting against phagocytosis
  • By increasing susceptibility to antibiotics (correct)
  • What effect can the absence of a capsule have on bacterial survival?

    <p>Increases susceptibility to phagocytosis</p> Signup and view all the answers

    In what way does the capsule of bacteria impact host immune response?

    <p>Activates complement cascade</p> Signup and view all the answers

    Which type of organism is a Protoplast?

    <p>Gram-positive bacterium without a cell wall</p> Signup and view all the answers

    How does L-form differ from Mycoplasma in terms of cell wall reversion?

    <p>L-form can revert its cell wall, Mycoplasma cannot</p> Signup and view all the answers

    What is the main cause of induced deficient cell wall in bacteria?

    <p>Failure of cell wall synthesis by antibiotics</p> Signup and view all the answers

    In which type of medium can Mycoplasma survive?

    <p>Any media</p> Signup and view all the answers

    What distinguishes Spheroplast from Protoplast?

    <p>Spheroplast is Gram-negative without a cell wall, Protoplast is Gram-positive without a cell wall</p> Signup and view all the answers

    What type of genetic material is transferred during bacterial conjugation?

    <p>Deoxyribonucleic Acid (DNA)</p> Signup and view all the answers

    Which type of bacterial cell acts as the donor during conjugation?

    <p>F+ cell</p> Signup and view all the answers

    What is the term for the structure through which DNA is transferred during conjugation?

    <p>Sex pilus</p> Signup and view all the answers

    How many cells are involved in the transfer of genetic material during conjugation?

    <p>Two cells</p> Signup and view all the answers

    What is the nature of genetic material transfer during conjugation?

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

    What type of reproduction is unique to bacteria?

    <p>Binary fission</p> Signup and view all the answers

    What is the main difference between binary fission and mitosis?

    <p>Binary fission does not involve chromosomes, while mitosis does</p> Signup and view all the answers

    What happens to the genetic material during binary fission?

    <p>It is duplicated and evenly distributed between the daughter cells</p> Signup and view all the answers

    What is the term for the time it takes for a bacterial cell to divide into two daughter cells?

    <p>Generation time</p> Signup and view all the answers

    How does binary fission contribute to antibiotic resistance in bacteria?

    <p>Binary fission increases the number of bacteria, which increases the chances of mutations leading to antibiotic resistance</p> Signup and view all the answers

    Which bacteria requires the highest percentage of CO2 for growth?

    <p>Brucella abortus</p> Signup and view all the answers

    Which statement about CO2 requirements of bacteria is incorrect?

    <p>Brucella abortus requires less than 5% of CO2 for growth</p> Signup and view all the answers

    Which of the following bacteria does NOT require a high percentage of CO2 for growth?

    <p>Escherichia coli</p> Signup and view all the answers

    Which of the following is a true statement about CO2 requirements of bacteria?

    <p>Brucella abortus and Neisseria gonorrhea are examples of bacteria that require high percentage (5 - 10%) of CO2</p> Signup and view all the answers

    Why is it important for some bacteria to have a high percentage of CO2?

    <p>For growth and survival</p> Signup and view all the answers

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