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Is typhus gram positive or negative?
Its a gram negative rod
Is citrobacter freundii a gram positive or gram negative bacteria?
klebsiella enterobacter citrobacter salmonellaparab
What color is neg?
Gram- negative bacteria turns red to pink after the gram stain is performed.
What would happen if you forgot to counterstain with safranin?
Gram neg cells would remain clear
Is E Coli bacteria gram negative or gram positive?
the previous answer of gram positive rods is incorrect the correct answer is gram negative rods
What is ceram neg bacilli?
I think you mean gram negative bacilli. They get their name as those who do not retain crystal violet dye in the gram staining protocol. Many gram negative bacteria are pathenogenic or disease causing. e-coli and salmonella are gram negative bacteria.
Are macroglides gram neg or positive?
they are niether, the term macroglides refers to a class of antibiotic that disrupts protein synthesis in bacteria
Organism which is indole negative mr positive vp negative citrate positive?
Sounds like Citrobacter freundii. Double check that you do have a gram negative rod that is motile, H2S negative and oxidative negative (most gram neg rods are).
Does typhus itch?
Yes, the typhus rash may itch, especially if it is murine typhus.
What is the purpose of control test in gram stain?
Gram staining is a simple staining test that simply identifies the two main groups of bacteria. Gram positive, and gram negative. Down a microscope, gram pos look like a dark blue/purple colour, and gram neg look red. It is to do with what the wall of the bacteria comprises of, and without going into too much detail, certain drugs work on gram pos bacteria, and others wont. Likewise for gram neg.
If parents are o neg what type will child be?
it might be o neg or a,b,o,a neg and posi,b neg and posi
What is a decolorizer do in gram staining?
It removes the crystal violet (primary stain) from gram negative bacteria. It does not remove Crystal violet as easily from gram positive bacteria, because the highly peptidoglycan walls of gram positive bacteria interact with crystal violet and iodine to form a strong bond (CV-Iodine complex). So, gram positive cells hold on to the stain instead of letting it wash away.
