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Which germ layer is destined to become the inner lining of body organs

What factor allows organisms such as planarian worms and plants to regenerate new individuals from fragments of parent organisms

What kind of bacterium cannot tolerate oxygen

In what cycle of viral replication does the virus destroy the host cell

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Q: What is the Effect of salmonella arizonae on blood agar?
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How does salmonella appear in agar?

in nutrient agar:- 2-3mm, grey colonies,moist circular,convex colonies are blood:-grey macConkey agar:-pale /yellowcolonies are deoxycholatecitrate agar:-colourless,smooth,shiny colonies salmonella are seen.

Does salmonella grow on Mannitol Salt Agar?

Salmonella is not grown on mannitol salt agar as it is Gram- . Gram+ bacteria are grown on mannitol salt agar. Salmonella is grown on xysoline lysine deoxycholate (XLD) agar which is a differential media to differentiate salmonella from shegilla.

Colour of salmonella in bismuth sulphite agar?

The color of salmonella in bismuth sulphite agar is brown to black color with metallic sheen.

Where can you find a picture of salmonella on nutrient agar?

Search "salmonella culture" then select Images.

List selective media for stool culture?

Salmonella-Shigella (SS) agar. XLD agar. Hekton enteric agar.

What is the colour of klebsiella on salmonella-shigella agar?

Its color is red.

Biochemical test used in identification of salmonella typhi?

imvic test helps in identi fication of salmonello typhi and a specific agar named salmonella shigella agar is used for culturing these species

What is the difference between nutrient agar plate and blood agar plate?

A blood agar plate is a nutrient agar plate that has blood added to it before pouring the plates.

Can streptococci grow in agar?

yes. since streptococcus is gram positive though it will not grow on MacConkey's or SSA (salmonella-shigella agar)

What bacteria forms black spots on agar plates?

Bacteria that produce H2S in the Agar will show black dots. like salmonella species

What are blood agar plates composed of?

A nutrient media, agar, and 5-10% blood

What is chemical composition of blood agar?

1. Defibrinated or anticoagulated blood. 2. Agar

Does Chromobacterium violaceum pit blood agar?

No it does not pit blood agar I am curently studying Chromobcaterium violaceum and recently grew it on a sheep blood agar it did not pit it. Cv turned the agar a brown color.

How do you turn blood agar plates into chocolate agar plates?

If you add the blood to the media before it is cooled ie if the media is hot, you will make chocolate agar plates instead of blood agar plates.

Ingredients of blood agar?

It depends on the type of blood agar you are using. Blood agar generallly means whatever agar you are using + 5-10% of some type of mammalian blood (sheep, horse, rabbit, etc). I generally use TSA + 5% Sheep blood or Brucella Agar + 5% Horse blood, for instance.

What is the purpose of stabbing into the blood agar?

By stabbing the blood agar, the hemolysis will be easier to see and identify.

What type of agar is blood agar?

trypticase soy agar (TSA) mixed with sheep blood (blood agar) its one of the most used agar types for identifying bacteria, because most bacteria can grow on it, a few examples are Bacillus and Stahpylococcus (known for food poisoning) the agar also alows you to see if the bacteria does hemolysis on blood

Is a blood agar selective or differential?

Blood agar is a differential media since you can differentiate between different organisms based on the colony appearance. In a blood agar you are looking for hemolysis.

How do you sterile blood agar?

you get some agar gel and if it is your blood you want check add a bit of blood to the agar gel and wait at least 2 days and check if it sterilized

Is blood agar selective or differential?

Blood agar is a differential media since you can differentiate between different organisms based on the colony appearance. In a blood agar you are looking for hemolysis.

Black colored colonies on blood agar plates?

what organism grows black colonies on blood agar

Why would a streak stab technique be preformed when inoculationg a blood agar plate?

Streak stab is most commonly used when inoculating blood agar with hemolytic bacteria. The stabs expose the bacteria to a greater surface area of blood cells and will enhance the hemolysis effect.

What is sheeps blood agar made of?

Sheeps blood

What is the purpose of blood in the blood agar?

for growth purpose.

How do you make pitri dish gel agar?

Agar is generally made by mixing the powdered form with varying ingredients. The powder is based on seaweed extract for nutrient agar, and nutrient agar is generally a base for most other agars - eg. Horse Blood Agar is nutrient agar with horses blood added; Choc agar has defibrinated (cooked) horses blood added.