Which of the Following is NOT a Characteristic of Biological

Question

Which of the following is NOT a characteristic of biological ion channels?
A) They display specificity
B) They often display gating
C) They are passive
D) They are integral proteins
E) They are carriers

Accepted Answer

Biological ion channels are not carriers; they provide a pathway for ions to move across membranes without binding to the ions, unlike carrier proteins which bind to substances to transport them across the membrane.