Peptides are tiny messengers that cells use to talk to each other by binding to...

https://www.click-bookmark.win/peptides-are-tiny-messenger-molecules-that-cells-use-to-send-signals-by-binding

Peptides are tiny messengers that cells use to talk to each other by binding to specific receptors. Researchers study these interactions to understand how signals inside cells are turned on or off, often measuring changes like intracellular calcium levels