Respuesta :
Answer:
Explanation :At first, the activated receptor relates with G proteins molecules in the cell.
before the ultimate physiological effect of the ligand on the cell's behavior is produced Therefore, the cellular signaling starts as soon as the first messenger (the ligand) binds to its receptor.
Cell signaling is the fundamental process in which a piece of certain information is transferred from the cell surface to the cell's nucleus. The first process in the triggering of the target cell is its ability to bind to the specific ligand.
Cells communicate through chemical signals. These signals are generally proteins or other molecules produced by the sending cells. The molecule is then released in the extracellular matrix, where they float until reaching the target cell.
The target cell must possess a receptor to bind with the incoming signal molecule. The binding of receptors and signaling molecules alters the shape and initiates the series of chemical reactions in the cell. The ligands are usually the signaling molecules, which bind to specific receptors.
Therefore, the first interaction that triggers the signaling to begin target cell response is the binding of ligand to the specific receptor.
To know more about cell signaling, refer to the following link:
https://brainly.com/question/21044027
