Peptides are tiny messenger molecules that cells use to send signals by binding...

https://www.rankbookmarkings.win/peptides-are-tiny-messengers-that-cells-use-to-send-signals-by-binding-to

Peptides are tiny messenger molecules that cells use to send signals by binding to specific receptors. Researchers study these interactions to understand how signals trigger changes inside cells, like a rise in cyclic AMP levels