Basic Characteristics of Gram-Negative Bacilli
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Questions and Answers

What is the typical morphology of members of this bacterial family?

  • Gram positive, cocci & spore forming
  • Gram negative, cocci & non-spore forming
  • Gram positive, bacilli & non-spore forming
  • Gram negative, bacilli & spore forming (correct)

    • Which characteristic is responsible for the motility observed in most strains of this bacterial family?

  • Presence of peritrichous flagella (correct)
  • Presence of pili
  • Presence of capsules
  • Lack of flagella

    • What arrangement is typical for members of this bacterial family?

  • Single or pairs (correct)
  • Cocci
  • Clusters
  • Chains

    • Which bacterial genus within this family may produce capsules leading to a mucoid colony appearance?

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

    Which members of this family are usually non-motile?

    <p>Klebsiella, Shigella, Salmonella Gallinarum biotype Pullorum</p> Signup and view all the answers

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