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What type of bacteria grow on EMB?
Gram Negative Bacilli
Which gram negative bacteria do not grow on macconkey and EMB?
humein ni pata
What types of organisms could grow on Endo agar?
Since Endo Agar selects for Gram negative (-) organisms, and differentiates for lactose, lactose += red colonies and surrounding medium, also coliforms produce a golden metallic green sheen, E. Coli is one example of a microorganism that could grow on Endo Agar.
Can Serratia grow on Hektoen Enteric Agar?
Yes. Serratia is a Gram negative rod from the Enterobacteriaceae family. The Hektoen Enteric agar allows the growth of Gram negative bacteria while inhibiting growth of Gram positive bacteria.
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.
Can Klebsiella pneumoniae grow on Mannitol salt agar?
No, K. pneumoniae will not grow on Mannitol Salt Agar- gram negative organisms cannot grow on MSA, and K. pneumoniae is gram negative.
What selective growth media is best suited for isolation of coliform bacteria?
MacConkey's agar is a selective growth media that is best suited for isolation of coliform bacteria. This bacterial is red and is gram negative. The agar plate inhibits the growth of gram positive organisms and allows gram negative organisms to grow.
Why 7.5 percent sodium chloride agar is selective media?
Because 7.5% NaCl agar inhibits gram negative organisms from growing, and is "selective" in that only gram positive organisms can grow in this type of agar.
Can PEA agar grow in E. coli?
A better way to phrase the question you are asking is "Can PEA agar grow E. coli?" The answer is yes, but only a small amount of growth will be observed because PEA is partially inhibitory to Gram negative organisms and E. coli is Gram negative.
What organisms don't grow on broad spectrum nutrient agar?
In my experiments of growing cultures on agar plates, I found Nutrient Agar's usually grow mostly molds and fungi. It's bacteriological growth is wide, yes, but I found that even after a few uses it started growing specifics (mostly gram negative coccus and bacillus).
What type of bacteria grow on EMB?
Gram Negative Bacilli
Did lactobacillus grow on mannitol salt agar?
Yes. M. smegmatis is a gram + bacteria, and MSA plates select for gram + bacteria.
Which gram negative bacteria do not grow on macconkey and EMB?
humein ni pata
What types of organisms could grow on Endo agar?
Since Endo Agar selects for Gram negative (-) organisms, and differentiates for lactose, lactose += red colonies and surrounding medium, also coliforms produce a golden metallic green sheen, E. Coli is one example of a microorganism that could grow on Endo Agar.
Can Serratia grow on Hektoen Enteric Agar?
Yes. Serratia is a Gram negative rod from the Enterobacteriaceae family. The Hektoen Enteric agar allows the growth of Gram negative bacteria while inhibiting growth of Gram positive bacteria.
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.
What are the EMB test results for Staphylococcus epidermidis?
The Eosine Methylene Blue test is selective for only gram-negative bacteria. It is possible for gram-positive bacteria to grow, but it would barely grow. Staphylococcus are gram-positive spherical bacteria. So it would not grow on the Eosine methylene Blue Agar.
