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

Measuring Growth by Biomass

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Measuring Growth by Biomass

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Measuring Total Weight

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Problem

A scientist wants to determine the biomass of the bacterial populations in his experiment using a spectrophotometer. He finds that population A has a higher turbidity than population B. What does this tell us about the bacterial populations?

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Problem

If a microbiologist wishes to determine the growth of her bacterial sample without removing the bacteria from the liquid they are growing in, which method should she use?