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What is the slime layer that surround gram negative bacteria and keeps them from taking up purple stain?
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What is the slime layer that surrounds gram negative bacteria and keeps them from taking up purple strain?
The slime layer surrounding gram-negative bacteria is primarily composed of a polysaccharide-rich outer membrane that contributes to their structural integrity and protection. This outer membrane contains lipopolysaccharides (LPS) and acts as a barrier, preventing the uptake of certain stains, including the purple crystal violet stain used in the Gram staining process. As a result, gram-negative bacteria do not retain the crystal violet and instead take up the counterstain, appearing pink or red under the microscope.
What is gram positive strain?
Gram-positive bacterium are those that are stained dark blue or violet by Gram Staining. This is in contrast to Gram-Negative Bacterium, which cannot retain the crystal violet stain, instead taking up the counter-stain and appearing red or pink. Gram-positive organisms are able to retain the crystal violet stain because of the high amount of peptidoglycan in the cell wall. Gram-positive cell walls typically lack the outer membrane found in Gram-negative bacteria.
What are some good antibiotics that can kill gram negative bacteria?
Some commonly used antibiotics effective against gram negative bacteria are ciprofloxacin, levofloxacin, azithromycin, and amoxicillin-clavulanate. These antibiotics are typically prescribed based on the specific bacteria causing the infection and its susceptibility to these medications. It's important to consult a healthcare professional before taking any antibiotics.
What type of virus invades bacteria?
A bacteriophage is a virus that infects and replicates within bacteria. It injects its genetic material into the bacterial cell, taking over the cell's machinery to produce new phages.
How long does it take for tea tree oil to cure chronic bacterial vaginosis?
There is no evidence that tea tree oil is a cure for bacterial vaginosis. Bacterial vaginosis is a result of the good bacteria in the vagina dying off and the "bad" bacteria taking over. Putting tea tree oil in your vagina is not likely to kill off the unwanted bacteria without killing off the protective bacteria.
What is the slime layer gram negative bacteria and keeps them from taking up purple stain?
capsule
What is the Slime layer that surrounds gram-negative bacteria and keeps them from taking up purple stain?
capsule
What Is The Slime Layer That Surrounds Gram Negative Bacteria And Keeps Them From Taking Up Purple Stain called?
The slime layer that surrounds Gram-negative bacteria and prevents them from taking up the purple stain in Gram staining is called the capsule. It is a protective layer made up of polysaccharides or proteins that helps bacteria evade the body's immune system.
What is gram positive strain?
Gram-positive bacterium are those that are stained dark blue or violet by Gram Staining. This is in contrast to Gram-Negative Bacterium, which cannot retain the crystal violet stain, instead taking up the counter-stain and appearing red or pink. Gram-positive organisms are able to retain the crystal violet stain because of the high amount of peptidoglycan in the cell wall. Gram-positive cell walls typically lack the outer membrane found in Gram-negative bacteria.
What is culture negative bacterial endocarditis?
Endocarditis is an inflammation of the endocardium (part of the heart), and if it is bacterial, the cause for it is bacteria. The part of the term culture negative, means that they tried to grow the bacteria in the lab after taking a blood sample, and were unable to get it to grow.
What are four possible results of a gram stain?
Gram-positive bacteria will appear purple or blue under a microscope due to retaining the crystal violet dye. Gram-negative bacteria will appear red or pink under a microscope due to losing the crystal violet dye and taking up the safranin counterstain. Gram-variable bacteria may show both purple and red/pink colors due to variations in their cell wall composition. Gram-indeterminate results may occur if the staining process is not carried out correctly or the bacteria are atypical in their cell wall structure.
What does negative 5 and negative 7 equal?
Taking "and" to mean "plus", the answer is negative 12.
is a negative number minus a number still a negative number?
Yes if the number you are taking away is positive, it will always be a negative number answer. If the number you are taking away is also negative the answer could be either positive or negative, dependant upon the number's used.
What word could be substituted for taking if the speaker wanted to express a negative viewpoint?
"Enduring" could be substituted for "taking" to express a negative viewpoint.
If you have chlamydia but your partner tested negative will he get it?
Chlamydia is a curable infection. Unless your partner was tested in the brief amount of time before they could test positive for the bacteria, it is unlikely you would reinfect them.
A plane taking off is a negative acceleration?
A plane landing is a negative acceleration - "negative" meaning it slows down.
What do you do when taking a negative and dividing it by zero?
A negative or positive number remains unchanged when divided by zero.
