Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

10. Dynamics of Microbial Growth

Differential Media

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Differential Media

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Problem

A blood agar plate is a common type of differential media. If there are different species of bacteria on a blood agar plate, what will the zones of clearance around the bacteria show you?

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Problem

Streptococcus pneumoniae is an alpha-hemolytic bacterial species. If Streptococcus pneumoniae is grown on a blood agar plate, what characteristics will the zone of clearance for this species have?