Multiple choice

The palladium of which of the following organisms is required as a catalyst for culture?

  1. Mycobacteria

  2. Escherichia

  3. Propionibacterium

  4. Enterococcus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Propionibacterium is an obligate anaerobe. For anaerobic culturing, palladium is required as a catalyst. It is only able to work if it is not dry and is not inactivated by H2S or other products of bacterial metabolism.

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