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How might some bacteria be able to grow on media containing potassium cyanide?
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What is Windows Media Video?
it is files containing .wmv
What is pre enrichment media?
media which is used for all types of bacteria to grow
Why the invention of solid culture media was of great important to the development of microbiology as a science?
Solid medium is media containing agar or some other, mostly inert solidifying agent. It has physical structure (broth lacks structure) and this allows bacteria togrow in physically informative or useful ways. Because bacteria could meetnutrient, air and light which they need easier; and it is more convenient forobservation and research.
What growing media grows bacteria?
nutrient agar
Can you see bacteria without culture media?
aaa
What is bacterial media?
something such as agar were bacteria grows
Is a CD an optical media?
Only if it is a CD containing a film/something that you can watch. CDs with music aren't optical media.
Why is motility medium semi-solid?
Because it does not inhibit bacteria form "swimming" through the medium.
What is enrichment medium and how does it differ from differential and selective media?
Selective media is one that grows only certain microorganisms while inhibiting (or preventing) others from growing, that is to say , the media has certain chemicals that allow one organism to grow but another organism cannot grow with those ingredients in the media, thus, is selective for the organisms that can grow in that media. Therefore, most commonly grows only one type of organism. Differential media is one that distinguishes one microorganism from another, it can grow more than one microorganism, but depending on how each organism reacts to the media (like turns red) it differentiates from another microorganism. In this type of media if you are trying to distinguish between 2 types of microorganisms, both should grow but they will have different reactions to the media, and thru their visible reactions you can tell them apart (differentiate them).
Difference between direct and indirect selection of mutant bacteria?
Direct selection occurs when the bacteria are cultured in conditions where only the mutant will grow. For example, if a mutant bacterium has gained resistance to a specific antibiotic, only the mutant will be able to grow on media containing that specific antibiotic. Indirect selection occurs when the bacteria are cultured in conditions where the growth of the mutant is different from the growth of the wild type.
Bulky middle coat containing smooth muscle and elastin?
Tunic Media
What agar gel is used to culture germs?
Agar is a non-nutritive substrate to which nutrients are added . It is used as a solidifying agent in bacterial culture media. Without agar, the medium is liquid while when agar is included, the medium becomes solid (gel-like) soon after cooling.Unlike liquid media, solid media give the opportunity that bacteria can grow as separated colonies. This helps to identify bacteria because different types of bacteria have different types of colony morphology (shape, color, size, etc).The first step to check if a specific type of bacteria is present in a specimen is to separate this bacteria from the other types of bacteria present . This is accomplished by cultivating a small portion of the specimen on solid media to give separated colonies.There are many different types of agar containing media. The most common is nutrient agar as it is considered the least selective and most microbes can grow on it, it is made with beef broth. However, microbiologists will try many things to get fussy bacteria to grow including extract of armadillo! Some media are designed to only allow the growth of certain bacterial species to help microbiologist narrow down their search. These are called selective media. Some media are designed with colour change tests in them so as to allow the further narrowing down of the species of bacteria. These are called differential media.
