Organisms belonging to the genus Legionella are:

a. gram-positive diplococci.
b. gram-positive diphtheroid bacilli.
c. gram-negative coccobacilli.
d. faintly staining, thin gram-negative bacilli.


D
All members of the genus Legionella are faintly staining, thin, gram-negative bacilli.

Biology & Microbiology

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Laboratory-based genetic systems have been difficult to develop for Archaea, because they do NOT naturally undergo conjugation or transduction

Indicate whether the statement is true or false.

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When grouping organisms, which classification is most general for a particular type of organism?

A. Kingdom B. Phylum C. Order D. Family E. Species

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The logical scientific method for studying nature

includes all of the following EXCEPT:a. observing nature b. developing explanations c. testing the explanations d. genetically engineering test subjects

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Differential reproduction is required for genetic drift

a. true b. false

Biology & Microbiology