A Stationary Broth Culture Contains 10 Billion (1010) Cells

question 26

Multiple Choice

A stationary broth culture contains 10 billion (1010) cells. The microbial death rate during autoclaving of this spent culture is 1.5 minutes. How long must it be autoclaved to be considered sterile?

• A) 16.5 minutes
• B) 10 minutes
• C) 20 minutes
• D) 12 minutes
• E) 9 minutes

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