Pyogenic Bacteria
Alexus S. & Mary C.
These round-shaped bacteria, common on skin and mucous membranes, cause diseases only if virulent strains attack damaged or weakened parts.
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| Pyogenic Bacteria Alexus S. & Mary C. These round-shaped bacteria, common on skin and mucous membranes, cause diseases only if virulent strains attack damaged or weakened parts.
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4/5/2007 Digital Postcard from the Microscopic World by Alexus S. & Mary C. from Mrs. T's Science Class, C.M. Eppes Middle School, Grade 8.