MBIO 3401 LAB EXAM 2 QUESTIONS AND
ANSWERS | WITH COMPLETE SOLUTION
What is the zone of inhibition?
The clearing around an antibiotic disk where the organism cannot grow because the antibiotic is
too concentrated.
What is an antiseptic?
Chemicals that kill bacteria on living things
What are some antiseptics?
Throat sprays and skin creams.
What is a disinfectant?
Chemical agents used on non-living surfaces
What are some disinfectants?
Phenolic chemical to wipe down a bench
What is bacteriostatic?
inhibits bacterial growth
What is Bactericidal?
kills bacteria
What is the lytic cycle?
Infected bacteria will lyse, releasing new viral particles (lysate).
, What is the lysogenic cycle?
viral DNA incorporated into DNA of host cell; dormant state (prophage), remains inactive until
stimuli.
What is a prophage?
the viral DNA that is embedded in the host's DNA
What is a plaque forming unit?
A measure of the number of infectious virus particles in the lysate.
What is a bacteriophage?
A virus that infects bacteria
What is an anamorph?
The asexual reproductive form of a fungus.
What is a telomorph?
The sexual reproductive form of a fungus.
What is a stipe and what does it look like?
It is the stalk of a basidiomycete (mushroom). It is long and connects the ground to the cap/gills.
What is a pileus and what does it look like?
The cap of a basidiomycete (mushroom). It is the top "hat" of the mushroom.
What is a annulus and what does it look like?
ANSWERS | WITH COMPLETE SOLUTION
What is the zone of inhibition?
The clearing around an antibiotic disk where the organism cannot grow because the antibiotic is
too concentrated.
What is an antiseptic?
Chemicals that kill bacteria on living things
What are some antiseptics?
Throat sprays and skin creams.
What is a disinfectant?
Chemical agents used on non-living surfaces
What are some disinfectants?
Phenolic chemical to wipe down a bench
What is bacteriostatic?
inhibits bacterial growth
What is Bactericidal?
kills bacteria
What is the lytic cycle?
Infected bacteria will lyse, releasing new viral particles (lysate).
, What is the lysogenic cycle?
viral DNA incorporated into DNA of host cell; dormant state (prophage), remains inactive until
stimuli.
What is a prophage?
the viral DNA that is embedded in the host's DNA
What is a plaque forming unit?
A measure of the number of infectious virus particles in the lysate.
What is a bacteriophage?
A virus that infects bacteria
What is an anamorph?
The asexual reproductive form of a fungus.
What is a telomorph?
The sexual reproductive form of a fungus.
What is a stipe and what does it look like?
It is the stalk of a basidiomycete (mushroom). It is long and connects the ground to the cap/gills.
What is a pileus and what does it look like?
The cap of a basidiomycete (mushroom). It is the top "hat" of the mushroom.
What is a annulus and what does it look like?
