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Man Working at Desk

dividing escherichia coli bacteria clearly displaying the point at which the bacterias cell wall was dividing

the head or cephalic region is at the left from which its two antennae were extended

anther resides at the distal tip of the filament both structures comprising the male portion of the flower

premoistened swabs were more efficient at recovering spores than dry swabs

roughened surface at the tip of one of the prongs of a bifurcated smallpox vaccination needle

this photomicrograph of liver tissue taken at autopsy depicts p malariae using oil immersion technique magnified 1125x

this micrograph of spleen tissue taken at autopsy depicts p malariae using oil immersion technique mag 1125x

y pestis colonies grown on the same medium and at the same time temperature

gram negative yersinia pestis bacteria grown on at a temperature of 25c

gram negative yersinia pestis colonial growth after 48 hours of incubation at 37 degrees celsius

yersinia pestis bacteria bacteria at a temperature of 25 degrees celsius

gram negative yersinia pestis bacteria at a temperature of 37 degrees celsius

gram negative yersinia pestis bacteria at a temperature of 25 degrees celsius
