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The need of pure culture of bacteria to characterize an individual species. Pure culture are also important to study the morphology and physiology of individual bacterial species, their biochemical behaviour and response to different compounds like antibiotics, which all can me alter by the influence of other species if prestent (in mixed culture) and also for isolating and studying of their molicular structure i.e. DNA or RNA.

Some common ways to obtain a pure culture of bacteria are:

1 The spread plate technique.

2 The pour plate.

3 Streak plate technique.

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What is the value of petri plates in microbiology?

It gives microbiologists a way to grow bacteria on a solid medium. This is important if you want to be able to obtain a pure culture, without a solid medium to grow bacteria it would be nearly impossible. On a solid media a single colony can be isolated and used to innoculate a further plate or broth culture. All the bacteria present in a colony should be decendents of a single organism and so be genetically identical. To obtain a pure culture in liquid media, you would have to do numerous serial dilutions which is very labor intensive compared to streaking a solid medium. Even after many serial dilutions there would be no way to ensure a pure culture.


Do bacteria go through photosynthesis as a means of obtaining energy?

No, bacteria do not go through photosynthesis to obtain energy. Instead, they obtain energy through processes such as fermentation or respiration.


How do bacteria obtain the energy they need?

Bacteria obtain energy through processes such as photosynthesis, where they convert light energy into chemical energy, or through respiration, where they break down organic molecules to release energy. Some bacteria can also obtain energy by metabolizing inorganic compounds such as hydrogen sulfide or ammonia.


What is the purpose of quadrant streaking in bacterial cultivation?

Quadrant streaking is used to obtain isolated colonies of bacteria by diluting a starting culture across sections of an agar plate. This technique helps to separate individual bacterial colonies for further analysis, such as identifying different species, studying colony morphology, or performing antibiotic susceptibility testing.


What is the most popular means by which bacteria obtain food?

The most popular means by which bacteria obtain food is through absorption. Bacteria release enzymes that break down organic matter around them, allowing them to absorb the resulting nutrients directly into their cells.

Related Questions

Why obtain pure culture of bacteria from a mixed culture?

i obtain pure culture of bacteria from a mixed culture for obtain pure one bacterial culture


Why is streaking for isolation and why is it important?

Streaking is used to isolate individual bacteria on a plate by spreading them out in a pattern that allows for single colonies to form. This is important to obtain pure cultures for further testing and identification. Streaking helps prevent contamination and allows researchers to study the characteristics of a single bacterial strain.


What is a bacteria that invade a host organism and obtain nutrients from the host cell?

Bacteria that invade a host organism and obtain nutrients from the host's cell are pathegonic bacteria.


Can you obtain pure calcium nitrate crystals by evaporating the solutions to dryness?

Yes, you can obtain pure calcium nitrate crystals by evaporating the solution to dryness. As the water evaporates, calcium nitrate will start to crystallize out of the solution. To ensure purity, it is important to start with a pure calcium nitrate solution and use distilled water for evaporation.


Do bacteria obtain food?

yes


How did hetetrophic cells obtain enenergy?

They decompose dead organisms.They have an important role in the recycling of material such as Nitrogen.Some hetotrophic bacteria are parasitic.


How are chemosynthetic bacteria from photosynthetic bacteria?

Chemosynthetic bacteria obtain energy by oxidizing inorganic compounds, while photosynthetic bacteria use sunlight to produce energy through photosynthesis. Both groups of bacteria play important roles in nutrient cycling and ecosystem functioning, but they utilize different energy sources.


How bacteria obtain the nutrients they need?

by water


How do bacteria obtain the nutrients they need?

by water


Which methods is used to obtain pure copper sulphate from impure sample and how?

One method to obtain pure copper sulfate from an impure sample is by recrystallization. In this process, the impure sample is dissolved in water, and then the solution is heated and slowly cooled to allow pure copper sulfate crystals to form. These crystals are then filtered out and dried to obtain the pure compound.


What is the value of petri plates in microbiology?

It gives microbiologists a way to grow bacteria on a solid medium. This is important if you want to be able to obtain a pure culture, without a solid medium to grow bacteria it would be nearly impossible. On a solid media a single colony can be isolated and used to innoculate a further plate or broth culture. All the bacteria present in a colony should be decendents of a single organism and so be genetically identical. To obtain a pure culture in liquid media, you would have to do numerous serial dilutions which is very labor intensive compared to streaking a solid medium. Even after many serial dilutions there would be no way to ensure a pure culture.


Does obatin and use energy have bacteria?

Yes, bacteria does obtain and use energy for locomotion.