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What is the slime layer that surrounds gram negative bacteria and keeps them from taking up purple strain?
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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 transformed from rough strain bacteria to smooth strain cells?
DNA
Can the API20E kit used for the identification of any bacterial strain?
Currently, the API20E kit is just used to study gram negative bacteria, especially the Enterobacteriaceae.
Is plasmodium gram negative?
Plasmodium is not a bacteria to be classified whether gram negative or gram positive. It is a genus of parasitic protists. Infection by these organisms is known as malaria.
What happened when griffith the mice with the harmless R strain bacteria alone?
t He then took the R strain (rough strain) and injected it into the mice and found that they did not contract the pneumonia illness and survived the insertion of the strain
Strain of bacteria?
s-strain bacteria make
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 an effector strain of bacteria?
The effector strain of bacteria is that the bacteria would colonize on the teeth and help prevent the child from developing cavities.
What is transformation in DNA?
transformation is the process in which one strain of bacteria is changed by a gene or genes from another strain of bacteria
What is transformed from rough strain bacteria to smooth strain cells?
DNA
When Fredrick griffith injected mice with a mixture of both heat killed smooth strain bacteria and live rough strain bacteria an unexpected result occured this result was?
C. the mice died because rough strain bacteria had been transformed to the smooth strain
The process by which one strain of bacteria is apparently changed into another strain is called what?
conjugation or transduction or translation are the three process by which bacteria can change from one form to other
Can the API20E kit used for the identification of any bacterial strain?
Currently, the API20E kit is just used to study gram negative bacteria, especially the Enterobacteriaceae.
The strain of bacteria that caused pneumonia grew into what colonies on culture plates?
The disease-causing strain of bacteria grew into smooth colonies on culture plates, whereas the harmless strain produced with rough edges.
What was 'transformed' in Griffith's experiment?
Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form.
Is plasmodium gram negative?
Plasmodium is not a bacteria to be classified whether gram negative or gram positive. It is a genus of parasitic protists. Infection by these organisms is known as malaria.
Why is an s strain of bacteria able to cause disease in mammals but a r strain is not?
Because It's very dangerous
