a sterile petri dish that contains agar , and is used to culture bacteria and fungi
a sterile petri dish that contains agar plus nutrients, and is used to culture bacteria or
a petri dish containing a layer of nutrient liquid, solidified using jelly made from seaweed
An agar plate is a sterile Petri dish that contains agar plus nutrients (media), used to culture microorganisms. Selective growth compounds may also be added to the media, such as antibiotics.