Catalase Positive and Negative Organisms

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Questions and Answers

Quae est affirmatio vera de organismis catalase positivis?

  • Neisseria species et Pasteurella species sunt catalase positivi.
  • Haemophilus influenzae et Moraxella species sunt catalase positivi.
  • Staphylococci et Micrococci sunt catalase positivi.
  • Bacillus species et Propionibacterium acnes sunt catalase positivi. (correct)

Quae est affirmatio falsa de organismis catalase negativis?

  • Streptococcus agalactiae est catalase negativus.
  • Haemophilus ducreyi est catalase negativus.
  • Clostridium perfringens est catalase negativus. (correct)
  • Kingella species est catalase negativus.

Quae est affirmatio vera de organismis catalase negativis?

  • Enterococcus species et Streptococcus pneumoniae sunt catalase negativi. (correct)
  • Ekinella corrodens et Neisseria species sunt catalase negativi.
  • Clostridium species et Haemophilus ducreyi sunt catalase negativi.
  • Kingella species et Streptococcus pyogenes sunt catalase negativi.

Quae organismo non est catalase positivus?

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

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Study Notes

Organismi Catalase Positivi

  • Affirmatio vera: Organismi catalase positivi habent enzyma catalasem, quod hydrogenii peroxidum inaquam et oxygenium reducit.
  • Exemplum: Bacteria Escherichia coli est catalase positiva.

Organismi Catalase Negativis

  • Affirmatio vera: Organismi catalase negativi non habent enzyma catalasem, quod hydrogenii peroxidum inaquam et oxygenium reducit.
  • Exemplum: Bacteria Streptococcus pneumoniae est catalase negativa.

Organismi non Catalase Positivi

  • Exemplum: Neisseria spp. non est catalase positivus.

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