Answer:
The same ligand can bind to different receptors causing different responses (e.g.. acetylcholine). On the other hand, different ligands binding to different receptors can produce the same cellular response (e.g. glucagon, epinephrine).
Explanation:
Answer:
A snail.
Explanation:
Sea slugs are in this phylum called mollusks. This group of animals includes animals such as snails.