Which of the following components of urease media is added forthe differentiation of rapid and slow urease producers?
Multiple Choice
Urease
Yeast extract
Phenol red
Phosphate buffer
Which of the following classes of bacteria are being tested forusing the urease test?
Multiple Choice
Gram-negative enterics
Gram-positive streptococci
Gram-positive staphylococci
Gram-negative non-enterics
Which of the following metabolic waste products would be aresult of nitrate reductase?
Multiple Choice
Nitrite
Nitrous oxide
Atmospheric nitrogen gas
Ammonium
Nitrite reductase is produced by bacteria that carry outdenitrification in the nitrogen cycle.
True or False
Bacteria positive for nitrite production will remain colorlessafter the addition of nitrate reagents A and B and HCl.
True or False
