Signaling

Cell signaling is the complex process by which cells perceive and respond to their environment. It is essential for homeostasis, growth, and immune responses.

Signaling between cells in physical contact. signaling

The receptor triggers a relay of intracellular molecules, often called a signaling cascade (e.g., using G-proteins or kinases). Cell signaling is the complex process by which

A signaling molecule (ligand) binds to a specific receptor on the cell surface or inside the cell. often called a signaling cascade (e.g.