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.
Design a dichotomous pathway that could be used to identify a bacterial sample if the bacteria is known to be one of the following gram positive bacteria. The tests used in the pathway should be chosen from the tests included in the expected test results attached to this exercise. All branches of the pathway should be completed to allow full differentiation of all bacteria included in the list.