0
What else can I help you with?
What does nutrient agar contain that makes it a good growing medium for bacteria?
Agar, in agar plates used in culturing bacteria and other microorganisms, consists of a gelling agent, and is an unbranched polysaccharide obtained from the cell walls of some species of red algae, primarily from the genera Gelidium and Gracilaria, or seaweed. As very few bacteria are able to decompose the actual agar itself, nutrients such as glucose must be added to the agar mixture to allow bacterial growth. It is these various nutrients that the bacteria feed on to survive.The typical agar plate contains:# A carbon source such as glucose for bacterial growth # Water # Agar # Various salts needed for bacterial growth # A source of amino acids and nitrogen (e.g., beef, yeast extract) This particular mix is an undefined medium because the amino acid source contains a variety of compounds with the exact composition being unknown. In this case, most bacteria will be using all the above except 3. Agar for nutrition.
Why shouldn't you dig into agar with the loop?
Streaking is to produce single colonies. If we are digging to the agar while streaking the microbes, instead of growing on the agar surface grows in the subsurface as well. These colonies may be difficult to isolate.
How long can agar be inside of a petri dish with no bacteria growing on it?
Agar can remain in a petri dish for a few weeks without bacteria growing on it, as long as it is stored properly. It is important to keep the agar dishes sealed and stored in a refrigerator at the appropriate temperature to prevent bacterial contamination.
Why is agar special in microbiology?
agar is used for growing microbes as to culture microorganisms you must provide a culture medium containing carbohydrate as an energy source along with mineral ions and protein and vitamins. these nutrients are often contained in an agar medium. agar is a substance that can dissolve in hot water to form a jelly. you pour hot agar into a petri dish to set as a way to provide all the nutrients for the microbes to reproduce successfully. AGAR helps to make the media in semisolid or in jelly form which allow the microbial colonies to grow on surface by providing them better surface and we can study the colonial character of different species of microbes.
What ingredients can be used to substitute for gelatin?
Gelatin is a form of collagen which is completely natural and entirely protein - 100% fat free. It provides all 8 of the essential amino acids required by your body to repair itself and grow. There are several ways of getting gelatin, the most common is from treating pig skin with acid, but you can also get gelatin from pig bones. For kosher and halal gelatin, cow hide and bones can be treated with alkali, or fish and chicken skin and bones can undergo the same processes. It is possible to substitute gelatin with other hydrocolloids, however if you talk to many cooks they will tell you that they are not up to scratch. Colloids like xanthan gum, guar gum, or pectins do not bind in the final product quite as well.
Does Good and Plenty contain gelatin?
No, Good and Plenty does not contain any gelatin. I looked on the box and it says it contatins resinous glaze, and I thikn that might have gelatin but most likely not.
Is gelatin good for hair?
yes it is
Is jello good for you?
Jell-O is the brand name for gelatin. Gelatin provides nutrients to the skin, hair and nails making them stronger and healthier.
What are the good bacteria found in food milk and alcoholic beverages?
They can be found in growing soil,sour cream,and water
How do you make gummy bears with unflavored gelatin subsitute?
no doeasnt taste as good as flavored gelatin trust me
What is the liquid weight of the average good quality gummy bear?
gelatin sucks! (gummy bears have gelatin!)
Why are roses grown in agar?
because agar place is a wonderful place, it has a good venue, ambiance, location...roses are grown in a place like agar places.. it has a good humidity, temperature that fits to the need of roses-randolf garcia
