You Would Like to Identify as Many Bacterial Species as Possible

question 71

Multiple Choice

You would like to identify as many bacterial species as possible in the human mouth. Why is biochemical testing not the most efficient and accurate method of completing this task?

• A) Since you do not know the growth characteristics and metabolic properties of the bacteria in the mouth, you cannot determine all varieties of media to use for isolation and culture.
• B) Bacteriological media is very expensive, particularly when you would have to use a variety of types to identify the different bacteria.
• C) Bacteria in the mouth are difficult to grow because of the adverse conditions in the oral habitat.
• D) Biochemical testing, using a variety of media, is inaccurate. It has been replaced by more advanced testing procedures.

Grasp how propositions are asserted in noun clauses.

Identify relative pronouns and understand their use in sentences.

Understand the impact of dropping a relative clause from a sentence.

Learn how different verbs influence the assertion of propositions in noun clauses.

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