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in the fridge
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What is sheeps blood agar made of?
Sheep blood agar is a base medium like nutrient agar, but with the addition of 5% sheep blood. The blood acts as an enriching ingredient for fastidious bacteria that require additional nutrients to grow. It is commonly used in microbiology laboratories to culture and identify various bacteria based on their hemolytic patterns.
What type of media is used for growing a culture from a throat specimen?
blood and chocolate agar plates as well as in universities laboratory Nutrient agar plates are also provided
Types of agar plates and their function?
Nutrient agar plates: used for general growth of most bacteria. Blood agar plates: used to differentiate bacteria based on their ability to hemolyze red blood cells. MacConkey agar plates: used to differentiate lactose-fermenting bacteria from non-lactose fermenters based on their ability to grow and ferment lactose.
What are unopened agar plates referred called?
Unopened agar plates are typically referred to as "sterile agar plates."
Does pseudomonas aeruginosa grow on blood agar?
Yes, Pseudomonas aeruginosa can grow on blood agar, but it may not show the typical hemolysis patterns like other bacteria. It usually appears as flat, greenish colonies on blood agar plates.
Why do you suppose that plate counts for urine infections are made from the blood agar plate not the MAC plate?
Plate counts for urine infections are typically made from blood agar plates rather than MacConkey (MAC) plates because blood agar supports the growth of a wider range of bacteria, including fastidious organisms that may not grow well on MAC plates. Blood agar provides the necessary nutrients and allows for the detection of hemolytic activity, which can be important for identifying certain pathogens. Additionally, urine samples often contain mixed flora, and blood agar can help in isolating and quantifying the relevant pathogens more effectively.
What is alger plates?
Do you mean "agar plates"? Agar agar is a seaweed that, when boiled, makes a product similar to gelatin. This stuff is edible, so vegans who liked jello can have it. It's used by boiling it in water, adding things to it, pouring it into petri dishes and letting it harden to use in making bacteria cultures. Some of the things that are added to it are beef broth--"nutrient agar"--and blood--"blood agar."
What are the differences between beta and alpha hemolytic bacteria in terms of their hemolytic activity?
Alpha hemolytic bacteria partially break down red blood cells, causing a greenish discoloration on blood agar plates, while beta hemolytic bacteria completely break down red blood cells, leading to a clear zone around the bacterial colonies on blood agar plates.
Prewarm agar plates?
To prewarm agar plates, simply place them in a 37°C incubator for about 30 minutes before use. This ensures that the agar solidifies evenly and prevents condensation from forming on the plates when they are inoculated. Always handle prewarmed plates carefully to maintain sterility.
What is the jelly in agar plates?
boobs
What is Proteus vulgaris on the Blood Hemolysis Test?
Proteus vulgaris is a bacterium that shows beta hemolysis on blood agar plates. In the Blood Hemolysis Test, this means that Proteus vulgaris will cause complete lysis of red blood cells, resulting in a clear zone around the bacterial growth on the agar plate.
How do you prepare a sterile nutrient agar plate?
you put a solution of 5% sheeps blood and 94% Criterion and 1% injected oxygen ( to provide for semi-aerobic microbes) Do not refrigerate many people have said that it is OK to refrigerate the agar but it destroys 50% of the criterion, killing half the bacteria that should be on the plate
