<prompt> Bacillus anthracis is unique to other bacteria. It is the only bacteria to possess which of the followingA polypeptide capsuleA polysaccharide capsuleAn exotoxinAn endotoxin  <response>: Virulent forms of B. anthracis, the causative agent of anthrax, are more likely to be surrounded by a capsule. This capsule is a polypeptide, composed of a polymer of glutamic acid, and is a unique feature of B. anthracis. Lipopolysaccharides LPSendotoxin are unique to gram-negative bacteria B. anthracis is a gram-positive rod. In addition, whereas B. anthracis is associated with both teichoic acid cell wall and a potent exotoxin, these are not unique features of this bacterium. Other gram-positives i.e., staphylococci release exotoxins and have teichoic acid in their cell walls. 