Catalase Positive and Negative Organisms

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Quae est affirmatio vera de organismis catalase positivis?

Bacillus species et Propionibacterium acnes sunt catalase positivi.

Quae est affirmatio falsa de organismis catalase negativis?

Clostridium perfringens est catalase negativus.

Quae est affirmatio vera de organismis catalase negativis?

Enterococcus species et Streptococcus pneumoniae sunt catalase negativi.

Quae organismo non est catalase positivus?

Streptococcus agalactiae

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.

Test your knowledge about catalase positive and negative organisms with this quiz. Identify the different types of bacteria and their catalase reaction to improve your understanding of microbiology.

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