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.
Each colony contains a different plasmid type, because each was grown up from a single transformed cell. What we do now is to isolate DNA from each colony (or a small growth of cells propagated from the colony), and analyze the structure of the plasmid with restriction enzymes or by DNA sequencing.