jeletováltást
Jeletováltást, often translated as signal transduction, is a fundamental biological process by which a cell responds to stimuli from its environment. This process involves a series of molecular events that convert an external signal into a specific cellular response. The initial signal, which can be a hormone, neurotransmitter, growth factor, or even physical stimuli like light or pressure, binds to a specific receptor on the cell surface or within the cell.
This binding event triggers a cascade of intracellular events. Often, this involves the activation or inactivation
The ultimate goal of jeletováltást is to elicit a specific cellular action. This could range from changes