Regarding to Cultural Characteristics of bacillus , Rough colonies indicates the pathogensity of organism (presence of capsule)

SPORE STAIN PROCEDURE

STARCH HYDROLYSIS (AMYLASE ACTIVITY)

All bacillus spp are catalase positive

Diarrheal form of B. CEREUS

All the followings are Characters of Streptococci except

Regarding to Alpha haemolytic Streptococci, one of the following is false

Lancefield classification based on

Enterococcus group

distinguish between S. pyogenes from other beta hemolytic streptococci

Regarding to Bile Esculin test, one of the following is false

PYR test determines the activity of enzyme L-pyrroglutamyl amino-peptidase produced by _______

Bile Esculin test : Esculinase reacts with iron salts (ferric citrate) in the medium to form a phenolic iron complex which produce ________ coloration after the incubation

Bile solubility test

CAMP-test : S. agalactiae shows the arrow-shaped hemolysis near the staphylococcus streak, showing a positive test for CAMP factor

A test for urease production is useful to differentiate between

#bacteriology

..

#bacteriology