ANSWERS|LATEST !!!!2026|GRADED A+| (EXAM
T/F: differential media is best suited for distinguishing between 2 bacteria -
ANSWER true
A researcher is asked to determine which vial contains e. Coli and which contains salmonella.
Which media is best? - ANSWER differential media
What are the requirements of a fastidious microbe? - ANSWER A fastidious microbe
is an organism with complex growth requirements such that if absent it will not grow.
Enriched medias thus contain these specific and essential nutrients required for the growth
of a particular subset of microorganisms.
Alpha hemolysis activity - ANSWER no change
Beta hemolysis activity - ANSWER greenish-brown color
Gamma hemolysis activity - ANSWER distinct zone of clearing
Plating - ANSWER the process of spreading a bacterial culture onto a petri dish filled
with agar
Best agar media for growing staph - ANSWER manitol salt
1
T/F: differential media is best suited for distinguishing between 2 bacteria -
ANSWER true
A researcher is asked to determine which vial contains e. Coli and which contains salmonella.
Which media is best? - ANSWER differential media
What are the requirements of a fastidious microbe? - ANSWER A fastidious microbe
is an organism with complex growth requirements such that if absent it will not grow.
Enriched medias thus contain these specific and essential nutrients required for the growth
of a particular subset of microorganisms.
Alpha hemolysis activity - ANSWER no change
Beta hemolysis activity - ANSWER greenish-brown color
Gamma hemolysis activity - ANSWER distinct zone of clearing
Plating - ANSWER the process of spreading a bacterial culture onto a petri dish filled
with agar
Best agar media for growing staph - ANSWER manitol salt
1
