Many pathogenic bacteria exist in nature as multiple antigenic types or serotypes, meaning that they are variant strains of the same pathogenic species. For example, there are multiple serotypes of Salmonella typhimurium based on differences in cell wall (O) antigens or flagellar (H) antigens.any pathogenic bacteria exist in nature as multiple antigenic types or serotypes, meaning that they are variant strains of the same pathogenic species. For example, there are multiple serotypes of Salmonella typhimurium based on differences in cell wall (O) antigens or flagellar (H) antigens.
There is no word in French for the neuter pronoun it because French grammar knows only masculine and feminine gender. Use the masculine or feminine pronoun, il or elle, resp â¦ ectively, depending upon the gender of the antecedent. Where the gender of the antecedent is not specified, use the masculine form il.Neither. Only the nouns-and their related adjectives-are masculine and feminine in French.se the masculine or feminine pronoun, il or elle, resp â¦ ectively, depending upon the gender of the antecedent. Where the gender of the antecedent is not specified, use the masculine form il. Neither.
feminine adjective (GRAMMAR). âº (written abbreviation fem., f) language âbelonging to the âgroup of ânouns that, in some âlanguages, are not âmasculine or âneuter: In âFrench, âtable is feminine. âº language used to refer to a âparticular âform of a ânoun in âEnglish, such as âactress, that refers only to a âfemale âperson. These feminine âforms are now being used less often.