<prompt> Virulence factors of Staphylococcus aureus include all of the following except one. Which one is the exception?Beta-lactamasesCoagulaseEnterotoxinsM Protein  <response>: M proteins are virulence factors of group A Streptococci Streptococcus pyogenes. All of the other listed virulence factors may be found routinely in S. aureus bacteria. 