Question

question 1 1 pts a ligand is a second messenger that relays the message inside the cell to elicit a response. true false

Explanation:

A ligand is a molecule that binds to a receptor on the cell - surface or inside the cell to initiate a response. Second messengers are molecules that relay signals from receptors on the cell surface to target molecules inside the cell. Ligands are not second messengers.

Answer:

False