A Loopful of Bacteria Containing 1000 Bacterial Cells Is Inoculated

question 59

Multiple Choice

A loopful of bacteria containing 1000 bacterial cells is inoculated into a nutrient broth and incubated. After a negligible lag phase, the culture goes into exponential growth for two hours. The generation time for the bacterium is ?fteen minutes. Which equation is the correct one to determine the number of cells present after two hours of log phase growth?

• A) 1000 X 2⁸
• B) 1000 X 16
• C) 1000 X 2 X 2 X 15
• D) 1000 X 2²

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Definitions:

Treatments

Interventions or actions taken in a research study to investigate their effects on an outcome of interest.

Critical Value

A point on a statistical distribution that represents a threshold beyond which an observed test statistic is considered significant.

P-value

The chance of achieving results from a test that are at minimum as critical as what was actually noted, on the condition that the null hypothesis holds.

Treatment Means

The average outcomes or effects of different treatments or conditions in a study.