Peptides are small proteins that cells use to send messages, like turning...

https://www.nav-bookmarks.win/peptides-are-tiny-protein-fragments-that-cells-use-to-send-messages-triggering

Peptides are small proteins that cells use to send messages, like turning signals on or off. Researchers study peptides to understand how receptors recognize them and trigger signals inside cells, often measuring changes like intracellular calcium levels