A) They are proteins
B) Movement through them is simple diffusion
C) Movement through them is from high to low concentration
D) All ions pass through the same type of channel
Correct Answer: D
Solution :
Ion channels are protein channels. Substances can move by simple diffusion directly along these cannels from high concentration to low concentration. Many of the protein channels are highly selective for transport of one or more specific ion.You need to login to perform this action.
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