Bacillus anthracis strains can be separated into five categories based on

A. spore morphology.
B. a genetic assay that detects variable numbers of tandem repeats in various genes.
C. membrane lipid composition as determined by gas chromatography.
D. serological assays for lipopolysaccharide variants.


Answer: B

Biology & Microbiology

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Differential media result in which of the following observable characteristics?

A. Gas bubbles B. Differently colored colonies C. Different media color after incubation D. Chemical precipitates E. All of the choices are correct.

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What type of evidence for the theory of common descent would include the nonfunctional wings of an ostrich?

A) vestigial structures B) homologous structures C) shared developmental pathways D) DNA similarity

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Errors or changes in the DNA of an organism are called ________

Fill in the blank(s) with correct word

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Cells with specialized characteristics are termed ____.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology