Quick Answer. Bumps or lumps on the roof of the mouth can be noncancerous or cancerous. The most common bony outgrowths on the roof of the mouth are called palatal tori and occur in 20 to 30 percent of the population, according to Dr. William M. Bennett in a 2013 article in The New England Journal of Medicine. Continue Reading.
Biochemical tests are the tests used for the identification of bacteria species based on the differences in the biochemical activities of different bacteria.
Guide. A blood culture is a test to find an infection in the blood. The blood does not normally have any bacteria or fungi in it. A blood culture can show what bacteria or fungi are in the blood.A bacterial infection in the blood, called bacteremia, can be serious because the blood can spread the bacteria to any part of the body.hy It Is Done. A blood culture is done to: 1  Find a bacterial infection that has spread into the blood, such as meningitis, osteomyelitis, pneumonia, a kidney infection, or sepsis. 2  A culture can also show what type of bacteria is causing the infection. 3  Find a fungal infection, such as yeast, in the blood.