F⁺ Strains of Escherichia Coli

question 82

Multiple Choice

F⁺ strains of Escherichia coli

• A) do not have an F factor.
• B) have the F factor as a plasmid.
• C) have an integrated F factor.
• D) transfer the F factor to recipient cells at a high frequency.

Understand and calculate the mean of a probability distribution.

Understand and calculate the expected number of occurrences in a given time frame or sample size.

Understand and calculate the standard deviation of a probability distribution.

Understand and apply the concept of independent events in probability.

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Definitions:

Separation Threshold

The minimum distance or difference in stimuli required to distinguish between two separate entities or experiences.

Difference Threshold

The minimal detectable difference between two stimuli required for detection that they are not the same, also known as the just noticeable difference (JND).

Separation Threshold

The minimum distance or difference between stimuli detectable by the sensory system.

Response Threshold

It is the minimal amount of stimulus intensity required for a neuron to fire a response or for a specific response criterion to be met in behavior.