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.
In all of. these tests it is important to ensure that the chemical reactions do not prevent later tests. being done to help to identify who the blood belongs to. INTRODUCTION. Forensic scientists are often asked to determine, both in the field and in the laboratory, whether a particular stain is or is not blood.