Polymyxin B Is a Large Molecule with a Hydrophobic Tail

Multiple Choice

Polymyxin B is a large molecule with a hydrophobic tail that can disrupt phospholipids,making it particularly effective against ________.

A) gram-negative cells since they have both an outer and inner membrane
B) gram-positive cells since the peptidoglycan is easily dissolved by detergent-like molecules
C) fungi since the drug can traverse the complex chitin cell wall to dissolve the cell membrane
D) both gram-positive and gram-negative cells since they both have a membrane