receptor-ligand interactions

Receptor-ligand interactions are like a key fitting into a lock. Receptors are proteins on the surface of cells that act as locks, while ligands are molecules, such as hormones or neurotransmitters, that act as keys. When a ligand binds to its receptor, it triggers a response in the cell, such as sending signals that influence various functions like growth, immune response, or mood. This communication is crucial for maintaining the body’s balance and responding to changes in the environment. Understanding these interactions helps in many fields, including medicine and biology.