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.
If you answered, âthe masculine gender is always used when there is a mixed group,â you are already thinking in the same direction as the Spanish language. When there is a group of mixed gender, no matter what the ratio is of females to males and males to females, the group is always referred to as masculine.