Some Membrane Channels Can Selectively Allow in One Type of Ion

question 114

Multiple Choice

Some membrane channels can selectively allow in one type of ion (e.g., K+) but not others. The ability to restrict passage to only certain ions largely depends on:

• A)where on the membrane the channel is.
• B)what type of neuron the channel is on.
• C)the size and shape of the channel.
• D)the pigmentation of the channel.