Channel proteins allow ions that would not normally pass through the cell membrane to go through the channel. What properties of the proteins are responsible for this?

Question

Channel proteins allow ions that would not normally pass through the cell membrane to go through the channel. What properties of the proteins are responsible for this? (A) The channels are often composed of charged or polar R groups (B) The channels are often composed of hydrophobic R groups (C) a and b (D) None of the above

Tardigrade Admin · Accepted Answer

The charged or polar lining of the channel proteins allows passage of polar and charged molecules.

Q. Channel proteins allow ions that would not normally pass through the cell membrane to go through the channel. What properties of the proteins are responsible for this?

The channels are often composed of charged or polar R groups

The channels are often composed of hydrophobic R groups

a and b

None of the above

The charged or polar lining of the channel proteins allows passage of polar and charged molecules.