Ch.2
Define media - what is going to provide nutrients in the laboratory.
Define what a Culture is - The resul ng growth of a microorganisms in a media.
Define Inocula on - a process where the medium provides and environment in which microorganisms
can mul ply.
Define Incubated - is placed in a temperature controlled chamber to encourage mul plica on.
3 ways to classify media - physical state, chemical composi on, and func onal type.
classifica on of media according to its physical state - liquid, semi solid and solid
What is agar? - a complex polysaccharide isolated from the algae gelidium.
What is semi solid media used for? - used to examine the mo lity of bacteria and to provide a
backdrop for visible reac ons to occur.
What does solid media provide? - Provides a firm surface on which cells can discrete colonies. `
What is synthe c media? - precisely chemically defined. contains pure organic and inorganic
compounds.
What is complex media? - if even one component of a given medium is not precisely defined this
belongs to this type of media.