Cell The Unit Of Life Question 80
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?
Options:
A) The channels are often composed of charged or polar R groups.
B) The channels are often composed of hydrophobic R groups.
C) Both and
D) None of the above
Show Answer
Answer:
Correct Answer: A
Solution:
[a] The charged or polar lining of the channel proteins allows passage of polar and charged molecules.