An antibiotic that is effective against a wide variety of pathogenic microorganisms is called a(n) _______________ antibiotic
broad spectrum
TF: Bacteriostatic antiseptics kill bacteria
false
Upon addition of Zinc to nitrate broth tubes, a red color indicated the presence of _________
nitrate
Wescodyne is an example of a(n) _____________ (antibiotic/antiseptic/disinfectant)
disinfectant
A(n) ______________ agent does not kill a microorganism, but rather just inhibits its growth
bacteriostatic
Thioglycolate broth controls the diffusion of ___________ through the tube
oxygen
T/F: The cross streak method is used in the screening of microbial isolates in the search for new antibiotics
true
Growth concentrated at the bottom of a thioglycolate broth tube indicates the organism is an aerobe/anaerobe?
anaerobe
Upon addition of Nitrate Reagents A & B to nitrate broth tubes, a red color indicates the presence of __________
nitrite
What area will microaerophiles grow in the thioglycolate broth tubes?
just below the interface