Alexander Fleming Had Been Running Tests Using Staphylococcus, and He

question 88

Multiple Choice

Alexander Fleming had been running tests using Staphylococcus, and he 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:

Hydraulic Hose

A flexible line in a hydraulic system that carries high-pressure fluid for operating various hydraulic components.

Highest Pressures

The maximum level of pressure that a system, container, or fluid can withstand safely during operation.

Spiral Wire Braid

A type of reinforcement used in hoses or cables, consisting of a spiral wrap of wire to provide strength.

ISO 32

A classification of industrial and hydraulic fluids, indicating a medium viscosity grade according to the International Standards Organization.