Cell Signalling Flashcards
1
Q
What are paracrine signals?
A
They act over short distances
2
Q
What are endocrine signals?
A
Act over long distances through blood and lymph
3
Q
What are autocrine signals?
A
Act on the same cell that secretes them
4
Q
How do ion channels work?
A
The ligand changes the shape of the channel to allow the ions to move through.
5
Q
How do G protein gated channels work?
A
The ligand binding domain associates with a G protein
6
Q
How do protein-kinase gated channels work?
A
RTk (tyrosine kinase) associates with the receptor and has a Tyr that can be phosphorylated
