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The advantages and disadvantages of a broth tube culture compared to a culture on a Petri plate?
Advantages of broth tube culture: It allows for the growth of bacteria in a liquid medium which can facilitate the study of motility and oxygen requirements of bacteria, and it can provide a larger quantity of bacteria for testing. Disadvantages of broth tube culture: It can be difficult to isolate and identify specific colonies within a liquid medium compared to a solid medium like a Petri plate, making it challenging for colony counting and purity assessments. Additionally, broth tube cultures may not provide as clear visualization of bacterial growth compared to colonies on a Petri plate.
How will the arrangement of thre lactococcus lactis in broth differ from the arrangement in a slant culture?
In the slant culture, the bacterial growth is even to spreading to irregular. On the other hand, in broth culture, the growth ranges from sedimentation at the bottom, to turbid growth to pellicle growth.
Where could the organisms have come from in the 1768 broth experiment described?
the organisms could come from the heat in the broth if you boil it,cause if you boil it,it creates organisms. It will only work if you put a cap on top of the bottle you are boiling. the one with the cap on is not cantaminated. The one without the cap is cantaminated and already has organisms in it.so the organisms come from the oxygen in the one where it does not have the cap on
What is top agar?
Top agar is a type of agar medium used in microbiology to perform overlay bacterial or phage assays. It consists of a lower layer of solid nutrient agar covered by a thin layer of softer agar on top, which allows for the diffusion of substances while providing a supportive surface for the growth of microorganisms. This technique is commonly used to detect bacterial or viral plaques in culture.
Where would you expect to see growth of a strict aerobe anaerobe microphile and facultative anaerobe in the fluid thioglycollate medium?
The sodium thioglycollate in the broth creates a redox potential in the tube, with higher levels of oxygen at the top of the tube, and a complete absence of oxygen at the bottom of the tube.Fluid thioglycollate broth also typically contains a redox potential indicator such resazurin, which produces a pink color in an oxidized environment. As with the BHI media, organisms will only be able to grow where their oxygen requirements are met, and will localize to the area(s) of their oxygen requirements in the fluid thioglycollate broth.Obligate aerobes will grown on or very close to the top (high oxygen). Obligate anaerobes will only grow on the bottom (no oxygen). Facultative anaerobes will grow throughout but more on top. Microaerophiles will be found in a band where only a small amount of oxygen is found. They would be close to but not on the top.
What is it called when fat separates from broth?
When fat separates from broth, it is called skimming. Skimming involves removing the fat that rises to the top of the broth using a spoon or a fat separator.
Are brothes soup?
yes a broth is a type of soup.like Top Ramon, for example the watery part is broth but they still call it soup.i like broth and soup but i only like one thing.
How many layers should a euro top mattress have?
chicken broth:)
Why are inverted plates during incubation?
Because during incubation moisture will form at the top of the petri dish. Inverting the dish prevents it from dropping into whatever you have in the petri dish.
How do you make moist cornbread?
You can make your cornbread dressing more moist by adding more broth to the recipe. When you pour the dressing into the baking pan, if you have a little broth standing on top, it should turn out moist. Another way is, when you add the broth to the dressing mixture, stir it well, and let it sit for a little while to allow the cornbread to absorb the moisture. Then add more broth. I have also checked the dressing during baking, and if it seems to be getting dry, I drizzle broth over the top and put it back in the oven. The broth you add will absorb into the dressing.
What is turbid broth?
Turbid broth is a liquid medium used in microbiology that appears cloudy due to the presence of microbial growth. The cloudiness indicates that bacteria or other microorganisms have multiplied within the broth. Turbid broth is often used to culture and study bacteria in laboratory settings.
Result of bacteria growing on top of broth?
The growth of bacteria on top of broth can indicate contamination and the presence of unwanted microorganisms. It can lead to spoilage of the broth and potential health risks if consumed. Monitoring and controlling bacterial growth is important in food safety and laboratory practices.
Which method can be used to remove a small amount of oil from chicken broth?
Coffe filter to skim top
What is the meaning of raft in cooking?
To clarify broth, usually for making consumme, cooks whisk egg whites, sometimes with their crumpled shells, into a broth. The egg proteins stick to particles and impurities in the broth, eventually gathering into a scummy disk know as "the raft". The raft floats to the top and is discarded.
How do you stand eggs before incubation?
Bottoms up. The broad side of the egg, which houses the air sac, should be at the top and the small end pointed down.
Does unopened canned chicken broth expire?
yes it will expire in about 7 years because its in a can, look at the expiry date and it wil tell you, it will be on the top or bottom of the can
What is San Shan Soup?
It is a soup from a chinese resturant that is a light broth and seafood meats like crab and shrimp. Looks like egg whites on top...
