Uses oxygen when present or grows without oxygen when oxygen is absent
Doesn't use oxygen but tolerates it
Prefers to grow without oxygen
Is killed by oxygen.
Organism should be grown in an anaerobic chamber.
Organism cannot produce superoxide dismutase and/or catalase.
Organism are aerobes.
Broth is sterile.
All the above can be used to isolate a pure culture of a bacterium from a mixture.
Chemically defined media.
Agar side up
Agar side down
It doesn't matter
placed on the bench top, top side up
Placed on the bench top, inside surface up
Should be held in the same hand as the plate
Should be held in the opposite hand from the plate
At the beginning and end
At the beginning and end and between the first 2 zones
At the beginning and end and between each zone
At the beginning and end and between the second and third zone
Excessive Washing of Slide
Preparing to divide.
Dying and dividing in equal numbers.
Dividing at the fastest possible rate.
Acid fast staining
E.coli and Streptococus pneumoniae
Bacteroides and klebsieella
Fusobacterium and clostridium
Peptostreptococus and nocardia