Multiple choice

Bacterial enzyme combines O2 with H+ to remove O2 by forming H2O and turns the petri dish into a mini-anaerobic chamber, in a growth culture media. This method is

  1. peroxidase

  2. catalase

  3. oxyrase

  4. superoxide dismutase

  5. mannitol
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Oxyrase is a bacterial respiratory enzyme that can be put in media; it combines O2 with H+ to remove O2 by forming H2O and turns the petri dish into a mini-anaerobic chamber. Anaerobic chambers with air locks are filled with inert gas.

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