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.
Traditional methods of bacterial identification rely on phenotypic identification of the causative organism using gram staining, culture and biochemical methods. However, these methods of bacterial identification suffer from two major drawbacks.eal time PCR is highly sensitive and allows quantitation of bacteria at a species level. Microarray based bacterial identification relies on the hybridization of preamplified bacterial DNA sequences to arrayed species-specific oligonucleotides.