Bacterial Growth in Colonies on Agar Plates _____

question 1

Multiple Choice

Bacterial growth in colonies on agar plates _____.

• A)have all phases of growth occurring simultaneously somewhere in the colony
• B)most growth occurs at the center of the colony
• C)involves budding of small new colonies from the surface of an existing colony
• D)have lag phase cells in the center of the colony,surrounded by a ring of cells in exponential phase

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Definitions:

Pooled Variance

The weighted average of variances from two or more groups, assuming that these groups have the same variance.

Sampling Distribution

A sampling distribution is the probability distribution of a given statistic based on a sample, showcasing how that statistic would vary from one sample to another.

Sample Mean Difference

The difference in average values between two samples, used in hypothesis testing to compare group means.

Independent Samples

Samples that are collected from populations such that the selection of a sample does not influence the selection of the other.