40+ Listeria Gram Stain Images. 320 x 320 jpeg 33 кб. It is one of the differential stains that are used to characterize bacteria in one of two groups:
Short, gram +, rod shapped bacteria.
320 x 320 jpeg 33 кб. Showing 20 of 120 results. The gram staining technique is the most important and widely used microbiological differential staining technique. Gram positive bacteria are those that stain purple.