The facecious answer is about 20 cents. Petri dishes are used to grow all manner of micro-organisms using a variety of media (food) for the bugs to grow on. Penicillin was discovered accidently growing on a petri dish this accidental discovery has saved probably 100s of millions of lives.
The prefix "micro" means "a millionths of".
It is $88-104 according to one online source.
How do I find out how much my plates are worth?
The value of Bill Bell Collectible Cat plates varies somewhat. However, it is possible that the plates may have a value of between 6 dollars and 20 dollars.
30 micro ohms
50-200
it is in micro seconds
It gives microbiologists a way to grow bacteria on a solid medium. This is important if you want to be able to obtain a pure culture, without a solid medium to grow bacteria it would be nearly impossible. On a solid media a single colony can be isolated and used to innoculate a further plate or broth culture. All the bacteria present in a colony should be decendents of a single organism and so be genetically identical. To obtain a pure culture in liquid media, you would have to do numerous serial dilutions which is very labor intensive compared to streaking a solid medium. Even after many serial dilutions there would be no way to ensure a pure culture.
What is the value of a Marlin Micro Groove Barrel MCD 336 Cal 30-30 WIN?"
What would be the value of a 4pc plate set
There are 12 plates in the collection, one for every month. Currently their collective value is low ($100 for all twelve), however they hold great nostalgic value to some.
The value of John Constable ceramic plates will depend on the condition. They are currently listed for sale between $360 - $400.