Answers

ANSWER 1
 
Negative



ANSWER 2
 
"	Barritt's Reagent A = alpha-napthol
"	Barritt's Reagent B = 40 % potassium hydroxide


ANSWER 3
 
Dark pinkish-red on top layer
Kovacs = hydrochloric acid and p-dimethylaminobenzaldehyde and amyl alcohol (lab manual says butanol instead of amyl alcohol)


ANSWER 4
 
Urease


ANSWER 5
 
Iron Suilfide


ANSWER 6
 
Add zinc 


ANSWER 7
 
Nitrite


ANSWER 8
 
K/A +G -H2s - Glusoe fermentation only, gase, no h2s production 


ANSWER 9
 
Bromcresol purple


ANSWER 10
 
Catalase


ANSWER 11
 
Alpha 


ANSWER 12
 
Beta 


ANSWER 13
 
pink-red colonies 


ANSWER 14
 
PEA agar


ANSWER 15
 
Bile Esculin


ANSWER 16
 
MSA growth 


ANSWER 17
 
coagulase 


ANSWER 18
 
Bacitracin 


ANSWER 19
 
Optochin