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Essay heading: Staphylococci
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Science |
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| Date added: |
April 3, 2002 |
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7 / 1701 |
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A very basic test to recognize strep is to perform blood agar plate (BAP) test. Hemolysis of the blood agar can indicate the presence of strep bacteria. Most strep bacteria are either a or b hemolytic on sheep blood agar. a-hemolytic strep partially lyses the red blood cells, creating a greenish zone around each colony, whereas, complete lyses of blood by b-hemolytic strep create a clear zone...
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a-hemolytic strep partially lyses the red blood cells, creating a greenish zone around each colony, whereas, complete lyses of blood by b-hemolytic strep create a clear zone. g-hemolytic does not lyse red blood cells, and no change or zone is created (1-pp143). Streptococci are gram positive and exhibit purple color cocci when gram stained and observed under the microscope...
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