Alexander Fleming Had Been Running Tests Using Staphylococcus,and Left Some

question 69

Multiple Choice

Alexander Fleming had been running tests using Staphylococcus,and left some plates out to incubate.Evidently,after returning to his lab after the weekend,he found that Penicillium mold was growing on his agar plates containing the growth of Staphylococcus.Looking more closely,he found a large,clear area around the mold colony where Staphylococcus colonies did not grow.Given this situation,a valid hypothesis would be that:

• A)The Staphylococcus was being inhibited by the Penicillium mold.
• B)The Penicillium mold was being killed by the Staphylococcus.
• C)The bacteriological medium being used in the plates was somehow inhibitory to the Staphylococcus growth.
• D)The room temperature incubation was inhibitory to the growth of Staphylococcus.

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Definitions:

Hearing

The sensory process by which sound waves are transformed into electrical signals that are interpreted by the brain as sound.

Taste Receptors

Specialized sensory cells located on the tongue that detect the five basic tastes: sweet, sour, salty, bitter, and umami.

Taste Buds

Sensory organs located on the tongue, allowing the perception of different tastes such as sweet, sour, bitter, and salty.

Supertaster

An individual who experiences taste sensations with far greater intensity than the average person, due to having a higher density of taste buds.