The Following Questions Refer to Figure 27

question 42

Multiple Choice

The following questions refer to Figure 27.1 below, which is the same as Figure 27.10 in the textbook.
In this 8-year experiment, 12 populations of E. coli, each begun from a single cell, were grown in low-glucose conditions for 20,000 generations. Each culture was introduced to fresh growth medium every 24 hours. Occasionally, samples were removed from the populations, and their fitness in low-glucose conditions was tested against that of members sampled from the ancestral (common ancestor) E. coli population.

Figure 27.1
-Which term is least closely associated with the others?

• A)Hfr cells making use of a sex pilus
• B)rolling circle replication
• C)the "toilet paper" model of replication
• D)conjugation involving an F factor
• E)recombination involving a bacteriophage

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Definitions:

Standard Deviation

Standard deviation is a measure of the dispersion or spread of a set of data points relative to its mean, indicating how spread out the data points are.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the number of values.

Highest Score

The maximum value or score observed in a set of data.

Lowest Score

The smallest or minimal value in a set of data or scores.