The Following Questions Refer to Structures Found in a Gram-Positive

question 60

Multiple Choice

The following questions refer to structures found in a gram-positive prokaryotic cell.
-Which of the following requires ATP to function, and permits some species to respond to taxes (plural of taxis) ?

• A)endospore
• B)sex pilus
• C)flagellum
• D)cell wall
• E)capsule

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Definitions:

Population Variance

A measure of how data points in a given population are dispersed from the average value.

Unbiased Estimator

A statistical estimator whose expected value is equal to the true parameter of the population being studied.

Unbiased Estimator

A statistical estimator that, through repeated sampling, provides results equal to the true parameter of the population.

Variance

A measure of the dispersion or spread of a set of data points, indicating how far each data point lies from the mean.