All of the Following Are True Statements About the Development

question 3

Multiple Choice

All of the following are true statements about the development of antibiotics,except:

• A)most bacteria that stopped the growth of other bacteria by producing antibiotics were soil bacteria
• B)Fleming noticed that a contaminant mold (Penicillium)prevented the growth of bacteria adjacent to itself
• C)an antibiotic was discovered in the sea after a scientist noted the absence of disease causing organisms in the seawater where the sewage entered
• D)sulfa drugs did not prove to be useful as the body converted them into inactive molecules

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Definitions:

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention before conditioning.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without prior learning.

Primary Stimulus

The initial or main source of stimulation that elicits a response in sensory, behavioral, or cognitive processes.

Secondary Stimulus

A stimulus that acquires the capacity to evoke a conditioned response after being paired with a primary stimulus.