Ion Channels

Question

Ion channels
A) can exist in open or closed states.
B) are typically selective with respect to the types of substances that pass through them.
C) can selectively repel particular ions.
D) all of these.
E) none of these.

Accepted Answer

Ion channels can indeed exist in open or closed states, are typically selective for certain ions or molecules, and their structure allows them to selectively permit or repel particular ions, making all of the statements correct.