You've Just Isolated a New Bacterium in Pure Culture, and You

question 63

Multiple Choice

You've just isolated a new bacterium in pure culture, and you culture it on a general purpose medium where its cells have a coccobacillus morphology. When you examine the cells after culturing on a variety of differential media, you ?nd that in some cases, the cells appear a coccobacillus, but in others, they can be ?lamentous, cocci, or club-shaped. The best explanation for this observation is that _______.

• A) the media were incubated at an incorrect temperature
• B) the microscope is out of adjustment
• C) the differential media are contaminated
• D) the bacterium is pleomorphic
• E) your culture has become contaminated

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Definitions:

Balance

The amount of money present in an account or the difference between the total debits and credits in an account.

Wrong Account

An error where financial transactions are recorded in an incorrect account, potentially affecting the accuracy of financial statements.

Chart of Accounts

An organized list of all accounts in a business's financial system, which helps in recording transactions in the correct accounts.

Special Ledger

A set of subsidiary accounts or a separate bookkeeping system that provides detailed information in addition to the general ledger.