Please Select the FALSE Definition Regarding Microbial Identification

Please select the FALSE definition regarding microbial identification.

A) A biotype is a group of strains that have a characteristic biochemical pattern different from other strains.
B) A serovar is a group of strains that have a characteristic antigenic structure that differs from other strains.
C) A species is a group of closely related strains; it is the basic unit of taxonomy.
D) RFLPs are patterns of fragment sizes obtained by digesting polypeptides with one or more proteases.
E) A signature sequence is a nucleotide sequence in rRNA that characterizes a certain species or a group of related organisms.