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What is strip plate technique?
The strip plate technique is a method used in microbiology to determine the minimum inhibitory concentration (MIC) of an antimicrobial agent against a specific bacterium. It involves placing paper strips containing various concentrations of the antibiotic onto an agar plate inoculated with the bacteria, allowing the antibiotic to diffuse into the agar and create a gradient of concentrations. The lowest concentration of the antibiotic that prevents visible bacterial growth is considered the MIC.
What are the 4 layers obtained in the acid ether concentration technique?
it is not the acid ether concentration technique which produces four layers, but the formalin-ether concentration technique, which, at the end of the procedure after centrifugation will produce an upper layer of ether, a second layer of fat debris, a third layer of formalin and the bottom layer of sediments which contain your eggs and cysts...
What organism is used primarily in PCR technique?
The organism used primarily in PCR (polymerase chain reaction) technique is a heat-stable DNA polymerase, such as Taq polymerase. Taq polymerase is derived from the thermophilic bacterium Thermus aquaticus, which can withstand the high temperatures required for PCR amplification.
What is the name of the paper used to dry slides after gram staining?
Gram staining is used to identify whether a bacterium is gram positive or gram negative. Slides can be dried using filter paper or tissues. The technique is based on the reaction of stain that happens with the membrane of bacteria.
Use of titrimetric analysis?
Titrimetric analysis is a quantitative technique that involves measuring the concentration of a substance in a solution by reacting it with a standardized solution. It is commonly used in chemistry to determine the concentration of an unknown solution or to identify the purity of a sample. Titrimetric analysis relies on the stoichiometry of the reaction to calculate the concentration of the analyte.
Could a water sample have a high concentration of the pathogenic bacterium vibrio cholerae and give negative results in the multiple tube technique?
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What is strip plate technique?
The strip plate technique is a method used in microbiology to determine the minimum inhibitory concentration (MIC) of an antimicrobial agent against a specific bacterium. It involves placing paper strips containing various concentrations of the antibiotic onto an agar plate inoculated with the bacteria, allowing the antibiotic to diffuse into the agar and create a gradient of concentrations. The lowest concentration of the antibiotic that prevents visible bacterial growth is considered the MIC.
How do you chop a board in half?
You have to have the right technique, concentration, and the right mind set
What is the uncertainty of the position of the bacterium?
The uncertainty of the position of a bacterium can be very small, on the scale of micrometers to nanometers. This uncertainty is known as the positional accuracy and can be influenced by factors such as the resolution of the imaging technique used to observe the bacterium and the movement of the bacterium itself. Advanced microscopy techniques like super-resolution microscopy can improve the positional accuracy of tracking individual bacteria.
How did scientists get a bacterium to make copies of the frog gene?
Scientists used a technique called recombinant DNA technology to insert the frog gene into the bacterium's DNA. The bacterium then replicated the gene along with its own DNA, allowing it to produce copies of the frog gene as it multiplied.
What are the 4 layers obtained in the acid ether concentration technique?
it is not the acid ether concentration technique which produces four layers, but the formalin-ether concentration technique, which, at the end of the procedure after centrifugation will produce an upper layer of ether, a second layer of fat debris, a third layer of formalin and the bottom layer of sediments which contain your eggs and cysts...
Which bulk si growth technique results in the smallest concentration of impurities and therefore lowest carrier concentration?
chosen: a.Float zone b.bridgeman c.paintball d.czochralski
What is the point of doing a titration?
Titration is used to determine the concentration of a substance in a solution by reacting it with a known concentration of another substance. It is a common technique in chemistry for quantitative analysis and can help in determining the unknown concentration of acids, bases, and other substances.
What is titration technique?
Titration is a laboratory technique used to determine the concentration of an unknown solution by reacting it with a solution of known concentration. A burette is used to carefully add the known solution to the unknown solution until a chemical reaction reaches completion, indicated by a color change or other observable signal. The volume of the known solution added is used to calculate the concentration of the unknown solution.
How do you calculate the actual size of the bacterium?
Bacterium size is measured by a technique called Micrometry. With micrometry you can measured the size of very small beings like bacteria, cells, etc. This technique involves the use of a microscope in which the eye piece is calibrated in micrometers. A similarly calibrated slide is used for standardization. The specimen is then mounted and the size measured. Normally, the size of many cells are taken into account and an average value is taken, since all cells may not be of the same size.
What is agglomerated concentration?
Agglomerated concentration is a mining term referring to the process of combining fine particles of ore into larger groups or masses. This technique improves the efficiency of subsequent processing methods such as leaching or flotation.
What is titration in water used for?
Titration in water is commonly used to determine the concentration of a specific solute or substance in a solution. It is a technique where a known concentration of a reagent (titrant) is added to a solution until the reaction reaches an endpoint, which indicates the equivalence point and helps calculate the concentration of the unknown substance.
