Quiz on ligands, receptors and specificity.

A lignd is a sustance that forms a complex with a molecule to serve a biological purpose. The ligand binds to the receptor by changing its tertiary structure

A hormone or neurotransmitter that triggers the release of G proteins from the cytoplasm of the cell.

Glucagon

Epinephrine

Whether or not the hormone is lipid soluble

Location of the gland, organ or tissue that secretes the hormone.

Having an active site smaller than 2nm.

Forming lots of ligand-receptor complexes

Having an active site larger than 2nm.