Bacterial extracellular polysaccharide production is
a) a property of only Streptococcus mutans
b) a prerequisite for cariogenicity
c) a factor mediating attachment of bacteria to teet
d) an essential component of dental plaque
e) characteristic of all streptococcus
a e is false b c d is true
a b c is false d e is true
b c d is false a e is true
c d e is false a b is true