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

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

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

Which type of organism is a Protoplast?

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

In which type of medium can Mycoplasma survive?

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

What type of genetic material is transferred during bacterial conjugation?

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

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

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

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

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

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

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

What is the nature of genetic material transfer during conjugation?

<p>Nonreciprocal (B)</p> Signup and view all the answers

What type of reproduction is unique to bacteria?

<p>Binary fission (D)</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 (C)</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 (A)</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 (B)</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 (A)</p> Signup and view all the answers

Which bacteria requires the highest percentage of CO2 for growth?

<p>Brucella abortus (A)</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 (A)</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 (B)</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 (C)</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 (B)</p> Signup and view all the answers

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