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You can use it to calculate the difference in diffusion rates when dealing with different SA;VOL ratios. The greater the SA;vol ratio, the faster the diffusion. You can do this using Hydrochloric Acid and submerging the cubes in it whilst timing how long it takes for it to permeate the agar jelly cube.
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What is the use of agar?
agar slant - save space (advantage) - suitable for long-term storage agar plate - short-term storage - used for assays Broth culture - ... agar slant - save space (advantage) - suitable for long-term storage agar plate - short-term storage - used for assays Broth culture - ...
What is agar?
Agar-agar is a vegetarian alternative to gelatin. It is a jelly that results from boiling several different types of seaweed together. It is dried and sold in powder, flakes or bars and is used as a thickener and or stabiliser.
What process would cause acid to move through agar jelly?
diffusion
Why do you grow bacteria on agar jelly?
Put agar jelly in a petri dish to sterilize the dish and then use something like a sterile inoculating loop to put the bacteria on the jelly. Then, seal the petri dish but make sure it is not airtight.
What is the effect of size of uptake on diffusion in agar?
larger the size, the smaller the surface area to volume ratio, hence the slower the rate of diffusion into the agar jelly :)
What jelly is made from seaweed and used in glue making?
Agar-agar
What is agar jelly?
Agar jelly is a type of jelly using the seaweed gelatin know as agar agar as a thickener. Usually it is used in Europe because it does not appeal to the American pallate for the fact that it does not melt in your mouth like gelatin or pectin.
What is a nutrient jelly for growing bacteria?
Normaly it is just labeled "Nutreiant Jelly" But it is really Agar Jelly http://en.wikipedia.org/wiki/Agar
What is the name of the utensil used to put microorganisms on agar jelly?
Hoop Hockey stick
What is an agar block?
An agar cube is made from firm jelly produced using a type of algae. Agar can be flavoured and eaten, but also used for scientific purposes. Agar can be molded or cut easily into many shapes.
What is the jelly in agar plates?
boobs
What is the use of agar?
agar slant - save space (advantage) - suitable for long-term storage agar plate - short-term storage - used for assays Broth culture - ... agar slant - save space (advantage) - suitable for long-term storage agar plate - short-term storage - used for assays Broth culture - ...
What jelly like substance can you grow microbes on the lab?
The jelly like substance is agar and is produced from seaweed. In the laboratory, the agar is placed in a Petri Dish.
What is agar?
Agar-agar is a vegetarian alternative to gelatin. It is a jelly that results from boiling several different types of seaweed together. It is dried and sold in powder, flakes or bars and is used as a thickener and or stabiliser.
Why are there areas on the agar jelly where no bacteria are growing?
There are areas on the agar plate where no bacteria grow because that area was missed when the plate was streaked.
Are all collagens derived from animals and speaking as a vegetarian is there any plant collagen?
Agar is often used in place of gelatin (which is derived from collagen). In the UK its possible to buy vegetarian Jelly (jello, I believe its called in the US) which is agar based. Agar comes from seaweed.
Where was the penicillin made?
in agar jelly in a lab in where ever Alexander Fleming lived
