What does the process of taking a culture involve?

What will be an ideal response?


To take a culture, a scientist wipes a sterile swab across the surface of the animal's skin, inside the mouth, or another body area. The swab is rubbed onto a sterile growing medium inside a sterile petri dish, where the bacteria feed on nutrients. Next, the dish is placed in a temperature-controlled chamber to encourage bacterial growth. Within a few days, the bacteria grow and multiply, and the scientist is able to obtain enough bacteria to examine and identify under the microscope.

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What is the approximate circumference of a circle that has a diameter of 12-3/4 inches?

a. 20 inches b. 40 inches c. 80 inches d. 100 inches

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Which grass does not exhibit shade tolerance?

A) St. Augustinegrass B) zoysiagrass C) ?bermudagrass D) centipedegrass

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This part of the hydraulic clutch will have friction material bonded to it:

a. piston b. disc c. plate d. spring

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The two most common categories of gas-fired furnaces are:

A) Category III and Category IV. B) Category I and Category IV. C) Category I and Category II. D) Category II and Category III.

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