TLS Online TPP Program

#Question id: 11471


Hair cells in the vertebrate ear are responsible for transducing sound pressure waves. Ion channels in the hair cell membrane open when ________.

#SCPH28 | Zoology
  1. a chemical ligand binds to the ion channel

  2. light is absorbed by a molecule in the membrane

  3. the cell membrane reaches a threshold voltage

  4. the membrane is distorted mechanically