Etymology & Historical Origin-Kenna. Kenna is most commonly considered the feminine form of Kenneth, a name Scottish in origin and derived from one of two etymological sources â either the Gaelic Cinaed (cinÃ¡ed âmeaning born ofâ) fire Or (coinneach âmeaning handsomeâ). One take your; pickâthey re both great. meaningstymology & Historical Origin-Kenna. Kenna is most commonly considered the feminine form of Kenneth, a name Scottish in origin and derived from one of two etymological sources â either the Gaelic Cinaed (cinÃ¡ed âmeaning born ofâ) fire Or (coinneach âmeaning handsomeâ). One take your; pickâthey re both great. meanings
Making the world better, one answer at a time. I believe it is necessary to isolate individual colonies from a mixed broth growth because it is the first step in achieving a pure culture for further studies and testing.
Same pathogen must be present in every case of the disease Pathogen must be isolated from the host and grown in pure culture Pathogen from pure culture must cause disease when inoculated into a healthy, susceptile lab animal Pathogen must be isolated from inoculated animal and must be shown to be the original organism List some exceptions to Koch's postulates Unique culture requirements; some pathogens can cause several disease conditions; several different pathogens can cause the same signs and symptoms; some pathogens only infect humans