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We close the petri dish when growing bacteria to prevent contamination from external microorganisms, which could skew results and compromise the experiment. Additionally, sealing the dish helps maintain a controlled environment, preserving moisture and nutrients necessary for bacterial growth. This also minimizes the risk of exposure to the bacteria for safety reasons.

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3w ago

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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.


What is the container used for growing mold or bacteria called?

The container used for growing mold or bacteria is called a Petri dish. It is a shallow, flat dish made of clear glass or plastic with a lid to create a controlled environment for the growth of microorganisms.


What are the uses of petri dishes?

is a shallow cylindrical glass or plastic lidded dish that biologists use to culture cells - such as bacteria - or small mosses.


What is a petri disk?

A petri dish is a shallow, circular, lidded dish used in laboratories for the culturing of microorganisms or small tissue samples. It provides a flat and stable surface for the growth of cells or bacteria under controlled conditions.


Why can bacteria be grown in a petri-dish but not possible for viruses?

Viruses need host cells to replicate and this cannot be done by growing them like bacteria cells are grown.


Why would you grow bacteria in petri dishes?

Growing bacteria in petri dishes allows researchers to isolate and study individual species or strains. This helps to understand their characteristics, behaviors, and growth patterns. It is a common method to conduct experiments and tests in microbiology.


What is petri dish used for?

It's used for breeding bacteria!!


What scientific instrument can grow bacteria and has a lid?

a petri dish


What is the uses of petri dish in physics?

A Petri dish is a shallow glass or plastic cylindrical dish that biologists use to culture cells, which can be bacteria, animal, plant, or fungus.


A mass of bacteria growing in a petri dish?

Any bacteria with right nutrient in vitro can be cultured. This method is very useful when carrying out any experiment. As long as nutrient medium is maintained bacteria will grow with no problems in a petri dish.


A doctor grows some bacteria in a petri dish for several days which is the independent variable in this situation?

number of bacteria in the dish


What substance goes in a petri dish?

A nutrient agar or agarose gel is typically used in a petri dish. These substances provide a solid surface for growing microorganisms, such as bacteria or fungi, for research or laboratory experiments.