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For the DNase test, 24 hours is sufficient to be able to examine the culture. The test result should be recorded after this amount of time has passed, and then it must be discarded.
what is the role of HCL in the DNase experiment
There are no reagents added when a Dnase test is performed. The test is done in a methyl green medium with a pure inoculum culture. If halos form around the culture than Dnase is present.
The anti-DNase-B (ADB) test is performed to determine a previous infection of a specific type of Streptococcus, group A beta-hemolytic Streptococcus.
yes
It means that the presence of certain bacteria are there. You will need to go through the whole test to find out if this is true.
detects antigens produced by group A strep, and is elevated in most patients with rheumatic fever and poststreptococcal glomerulonephritis.
Urease Test will be positive. You will see a colour change from the broths original colour (usually a light yellow) to a bright pink after being inoculated and incubated for 24 hours.
rancidity
The 'entrance test' is the degree you already hold.
After you get a medical degree
validity