Section 2
Propagation of the Cellular Signal
Book
Version 32
By Boundless
By Boundless
Boundless Biology
Biology
by Boundless
2 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/18874/square/figure-09-02-01.jpg)
Binding Initiates a Signaling Pathway
Ligand binding to cell-surface receptors activates the receptor's intracellular components setting off a signaling pathway or cascade.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18876/square/figure-09-02-03.jpeg)
Methods of Intracellular Signaling
Signaling pathway induction activates a sequence of enzymatic modifications that are recognized in turn by the next component downstream.