The difference between gram-positive and gram-negative bacteria.
The thickness and interweaving of the peptidoglycan that makes up the cell wall. Also the number of layers of the cell wall.
composition of cell wall
A negative result for the spores stain indicate that the gram-negative organism is present. A positive result for a spore stain indicates that a gram positive organism is present.
The gram stain uses a decolorizing product so it is possible to differentiate between the gram and the gram cells. Gram positive cells stain purple in color.
Gram stain
Hans Christian Gram invented this stain in 1884
Gram negative
Lassa fever is a virus. It does not have a gram stain characteristic.
A negative result for the spores stain indicate that the gram-negative organism is present. A positive result for a spore stain indicates that a gram positive organism is present.
The Gram stain is performed on a sediment of the CSF and is positive in at least 60% of cases of bacterial meningitis.
A gram stain is a cow
The gram stain uses a decolorizing product so it is possible to differentiate between the gram and the gram cells. Gram positive cells stain purple in color.
Gram stain
Gram Negative
Protists are often stained using a silver stain, not a Gram stain.
The Gram stain is used for bacteria and not for viruses.
Bacteria stain either gram-positive or gram-negative based on the presence or absence of a cell wall. Viruses do not pick up a gram stain.
Hans Christian Gram invented this stain in 1884
gram -