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E.coli is gram -ve and should stain pink in gram staining. The reason for its blue appearance is due to the over absorption of dye which can be due to either prolonged contact of dye or delay in washing or may be the concentration of soloution of dye is high
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoE.coli has a very thin peptidoglycan layer
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Are most pathogenic bacteria gram-negative?
Most Pathogenic bacteria are gram negative
What is most common gram positive or gram negative bacteria?
gram negative
What shape are gram negative bacteria?
Gram negative bacteria is shaped like rods and stained a reddish pink color due to the gram staining process. Gram negative bacteria do not form spores.
What does gram negative on a serratia marcescens gram stain mean?
Bacteria are gram positive or gram negative. Serratia happens to be a gram negative bacteria. They appear pink on a gram stain. Gram positive bacteria stain to a purple color on a gram stain. We can classify and ID bacteria using their gram stain and shape. Some antibiotics only work on gram negative bacteria and some only work on gram positive bacteria. It helps a doctor know which antibiotic to use.
Is HIV gram positive or gram negative?
HIV is a virus and, therefore, is neither Gram positive nor Gram negative. The Gram stain is used to identify bacteria as either Gram negative or positive, depending upon the type of cell wall the bacteria has. The Gram stain cannot be used on viruses.
What shape is ecoli?
E. coli is a gram negative rod shaped bacteria (it is long and thin).
Is klebsiella gram positive or negative?
i believe it is a gram bacteria which causes respiratory illness.
Are most pathogenic bacteria gram-negative?
Most Pathogenic bacteria are gram negative
Give the example for gram positivegram negative bacteria?
Typical gram-positive bacteria are staphylococci; typical gram-negative bacteria are bacilli.
What diseases are caused by bacteria gram negative?
pneumonia is a disease caused by the gram negative bacteria
What is most common gram positive or gram negative bacteria?
gram negative
What shape are gram negative bacteria?
Gram negative bacteria is shaped like rods and stained a reddish pink color due to the gram staining process. Gram negative bacteria do not form spores.
Which Gran Positive or negative which is more serious?
Gram positive bacteria responds to the Gram stain; gram negative bacteria does not. The two bacteria do not respond to the same antibiotics. Right now the most dangerous bacteria is a gram negative bacteria. That could change.
Does Tetracycline kill gram positive or gram negative bacteria?
Tetracycline kills both gram positive and gram negative bacteria. The mode of action to which Tetracycline works to kill bacteria is that it inhibits protein synthesis which works against both gram positive and gram negative bacteria.
What Diseases are caused by gram negative rod bacteria?
pneumonia is a disease caused by the gram negative bacteria
Name the different gram positive and gram negative bacteria?
Name of gram positive and gram negative bacteria?
What does gram negative on a serratia marcescens gram stain mean?
Bacteria are gram positive or gram negative. Serratia happens to be a gram negative bacteria. They appear pink on a gram stain. Gram positive bacteria stain to a purple color on a gram stain. We can classify and ID bacteria using their gram stain and shape. Some antibiotics only work on gram negative bacteria and some only work on gram positive bacteria. It helps a doctor know which antibiotic to use.
