Nutrient agar
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Nutrient agar is a general-purpose solid medium supporting growth of a wide range of non-fastidious organisms. It typically contains:
Streak plates of several bacterial species on nutrient agar plates
Growth medium
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A growth medium or culture medium is a solid, liquid, or semi-solid designed to support the growth of a population of microorganisms or cells via the process of cell proliferation or small plants like
Nutrient agar
…Nutrient agar is a general-purpose solid medium supporting growth of a wide range of non-fastidious organisms. It typically contains (mass/volume): 0.5% peptone – this provides organic nitrogen…
An agar plate – an example of a bacterial growth medium*: Specifically, it is a streak plate; the orange lines and dots are formed by bacterial colonies.
US Food and Drug Administration scientist tests for Salmonella
A culture of Salmonella bacteria
Physcomitrella patens plants growing axenically on agar plates (Petri dish, 9 cm diameter)