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.
Jacob (whom Iâve known for years) prefers the pronouns âtheyâ and âthem,â and so hereâs how I would write about Jacob: They have a gender identity that encompasses both male and female, and their attire ranges from pencil skirts, high heels and lipstick to blazers, bow ties and facial hair on any given day.