TLS Online TPP Program

#Question id: 34547


Which statements correctly describe porins in Gram-negative bacteria?

#XL - S Microbiology
  1. They are non-specific channels for small hydrophilic solutes
  2. They are located in the inner membrane
  3. They contribute to selective permeability of the outer membrane
  4. They allow diffusion of molecules larger than 600 Da without specificity