BIOL 251 LAB QUIZ 1 COMPREHENSIVE TEST PREP |
UPDATED FOR 2025–2026
Commensals - correct answer -Microbes that inhabit our bodies in ways that may benefit both
them and us
Opportunists - correct answer -Capable of causing disease under the right circumstances
What is a culture medium? - correct answer -Is used as a nutrient source to allow microbes to
grow
What are the two culture medium? - correct answer -1.) Liquid (at room temp)
2.) Solid (at room temp)
- contains agar in addition to its nutrients
- petri plates
General purpose media - correct answer -Allow the growth of many microorganisms that do
not need special growth factors
Enrichment Media - correct answer -contain special growth factors required by some
microorganisms to grow
Selective media - correct answer -Used to inhibit the growth of some groups microorganisms
and select for the growth of other microorganisms
Differential Media - correct answer -Shows differences between microbial colonies based on
their cultural characteristics (what they look like when growing in colones)
UPDATED FOR 2025–2026
Commensals - correct answer -Microbes that inhabit our bodies in ways that may benefit both
them and us
Opportunists - correct answer -Capable of causing disease under the right circumstances
What is a culture medium? - correct answer -Is used as a nutrient source to allow microbes to
grow
What are the two culture medium? - correct answer -1.) Liquid (at room temp)
2.) Solid (at room temp)
- contains agar in addition to its nutrients
- petri plates
General purpose media - correct answer -Allow the growth of many microorganisms that do
not need special growth factors
Enrichment Media - correct answer -contain special growth factors required by some
microorganisms to grow
Selective media - correct answer -Used to inhibit the growth of some groups microorganisms
and select for the growth of other microorganisms
Differential Media - correct answer -Shows differences between microbial colonies based on
their cultural characteristics (what they look like when growing in colones)
