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Description
A microscope slide with a smear of Gram-positive bacillus (rod-shaped) bacteria. Gram stained.
Introduce your students to the basic morphology of bacillus (rod-shaped) bacteria. These bacteria appear violet or purple because their thick cell walls retain the crystal violet stain used first in the Gram-staining process, making them Gram-positive.
Bacillus megaterium is used to make this slide.
