684 Answered Questions for the topic microbiology
Microbiology Bacteriology
07/11/19
How can I make sure my UV-purificator kills bacteria?
I'm going to show a UV-purificator for water on science fair. How can I easily check if purificator kills most of the bacteria? I need a quick and possibly easy method.
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Microbiology Zoology
07/11/19
Example of invertebrates that are attracted to heat?
I would like to test a device that outputs heat in order to attract schistosome parasites in water. However, I would like to use a substitute, since I cannot find schistosome parasites for...
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07/11/19
Horizontal Gene Transfer?
I understand the different ways bacteria can undergo horizontal gene transfer (transformation, transduction (phages), conjugation (plasmids)).
Is there an experimental method to tell how a...
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07/11/19
Does making yogurt from non-pasteurized milk work against possible disease bacteria?
In the past, when there was no pasteurization, could making yogurt from milk lower the chance of getting infected by bovine tuberculosis (or other diseases from infected milk)?
For example, would...
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Microbiology
07/08/19
How to calculate CFU using logarithms
Suppose that you want to determine the bacteria/ml (CFU) for a food sample. You decide to make dilutions and then plate 250µL of the dilutions listed below. After 24 hrs of incubation you obtain...
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What is immunoprecipitation?
Immunoprecipitation is a very common lab technique used to study cells. What is it, what does it do, and how?
Microbiology Genetics
06/29/19
What is the difference between gene silencing in plants vs animals?
One way cells can control gene expression is by silencing specific genes. Gene silencing is a cellular mechanism that occurs in both plants and animals that results in the silencing of the specific...
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Microbiology
06/24/19
What media is used in microbial study of water?
optionsa) Lactose fermentation brothb) fluid thioglycolate mediumc) Nutrient brothd) none of above
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06/23/19
In Glycolysis, where is Magnesium used as a cofactor? Why is it used?
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Microbiology
06/10/19
can boiling water at 100 degress C kill endospores
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What is the major difference between eukaryotic and prokaryotic cells?
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06/05/19
Out of the Cell: toward the ribosome
Which is the cellular organelle that has two parts: Big and Small?
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Explain how erythrocytes are recycled?
I need help with this biology question
Describe the cells and its primary function in relation to immunity. Relate this to the 5 white blood cells
I need help with my biology homework please?
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Compare the structures and functions of the five different types of white blood cells?
I need help with my biology homework
05/24/19
Why do flagella form a bundle only when they rotate counterclockwise during chemotaxis?
During Chemotaxis in bacteria with flagella, the flagellar rotation dictates how the cell moves. If the flagella rotate counterclockwise, then they form a bundle at one end of the cell (---O) and...
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05/24/19
How is the exogenous DNA protected from degradation during bacterial transformation?
During transformation, a bacterium can take up DNA from its environment. A small fraction of bacterial species are known to be naturally competent, meaning that they can engage in this sort of...
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05/24/19
How often does bacterial transformation happen?
I have been reading:>M. Dröge, A. Pühler, W. Selbitschka, "Horizontal gene transfer among bacteria in terrestrial and aquatic habitats as assessed by microcosm and field studies", Biol. Fertil....
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05/24/19
What is the advantage of using plant-derived antibacterials rather than bacteria-derived antibacterials?
So obviously we have a big problem with antibiotic resistance. Most of our antibiotics originate from bacteria themselves (or are synthetic variations on scaffolds which originate from bacteria). I...
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05/24/19
Human Digestion of Cellulose?
Most animals can digest the cellulose in grass because of the anaerobic bacteria called *Fibrobacter succinogenes* living in their rumen (gut). The bacteria produces the enzyme cellulase and is...
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05/24/19
What's the aim of genetically modifying of foods/organisms?
On news, articles etc. experts talking about **Genetically Modified Foods and Organisms** often mentions about their disadvantages like, - their potential to harm human health - allergies may...
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