Which of the Following Is a Disadvantage of Dry Heat

question 28

Multiple Choice

Which of the following is a disadvantage of dry heat methods such as using a Bunsen burner to incinerate microbes from an inoculating loop and the use of a hot air oven?

• A)Bunsen burners and hot air ovens only reach a maximum of 100^oC so they are not effective against endospores.
• B)Neither of these methods actually sterilize; they only kill vegetative cells.
• C)Bunsen burners take too long to sterilize and hot air ovens are hazardous for the operators.
• D)Use of an open flame can be dangerous and hot air ovens take much longer to sterilize than autoclaves.

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Categories or ranges of income that differentiate various groups within a society, often used in analyzing economic and social status.

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The portion of income not spent on current expenditures or taxes, typically set aside for future use or investment.

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Funds households can allocate for spending and saving purposes after income taxes are subtracted.