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A petri dish is a small glass plate used for, among other things, growing bacteria cultures to examine under a microscope.

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What is a two-piece glass or plastic dish used for growing bacteria or mold?

It is called a petri dish or culture dish, and it is used in microbiology to culture and observe the growth of bacteria, mold, or other microorganisms.


Who discovered the Petri dish?

The Petri dish was named after German bacteriologist Julius Richard Petri, who invented it in the late 19th century while working in Robert Koch's laboratory. Petri dishes are commonly used in microbiology for culturing bacteria and other microorganisms.


Who discovered the petriplate?

Julius Richard Petri, a German bacteriologist, is credited with inventing the Petri dish while working in the laboratory of bacteriologist Robert Koch in the late 19th century. The Petri dish provides a sterile environment for culturing microorganisms and has since become a standard tool in microbiology.


Do you put petri dishes in the autoclave?

Yes, petri dishes can be autoclaved to sterilize them. It is important to ensure that the petri dishes are made of materials that are autoclavable and that they are placed in appropriate autoclave-compatible containers before sterilization to prevent breakage.


What does the clear zone of petri plate mean?

The clear zone of a Petri plate, often referred to as a zone of inhibition, indicates an area where bacterial growth has been suppressed or eliminated, typically due to the presence of an antimicrobial agent, such as an antibiotic. This clear area surrounds a substance (like a disk containing the antibiotic) placed on an agar plate inoculated with bacteria. The size of the clear zone can be measured to determine the effectiveness of the antimicrobial agent against the specific bacteria tested.