Answer :
The hormones that bind to ion channels on neurons and cause them to open represent an example of ligand-gated channels (Option a).
What are ligand-gated channels?
Ligand-gated channels are specific receptors on the cell membrane that bind to different molecules.
This binding can cause a concomitant cellular response such as activating a phosphorylation-associated signaling pathway.
In conclusion, hormones and their receptors are an example of ligand-gated channels (Option a).
Learn more about ligand gated channels here:
https://brainly.com/question/17710689
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