1.
A cell sends a signal to itself
2.
A cell sends a signal to a nearby cell
3.
A cell sends a signal to a distant cell by the signal traveling through the circulating system
4.
A cell sends a signal to a cell that it is in contact with
5.
First step in cell signalling in which the signal molecule reaches the receptor
6.
Second step in cell signalling in which the relay molecules goes through a signal transduction pathway
7.
Third step in cell signalling in which there is an activation of cellular response
8.
The name for when signal molecules leave the receptor; the receptor reverts to its inactive state
9.
another name for a signal molecule
10.
A type of feedback loop in which an initial change causes a stimulus whose output shuts off the original stimulus or reduces its intensity
11.
A type of feedback loop in which an initial change causes a stimulus furthering the change in the same direction