4.2

Introduction to Signal Transduction

AP Biology

Introduction to Signal Transduction

Reception: the first stage

G protein-coupled receptors (GPCRs)

Structure

How GPCRs work

G protein properties

Receptor tyrosine kinases (RTKs)

Structure

How RTKs work

Key difference from GPCRs

RTK and cancer

Ligand-gated ion channels

Structure

How they work

Key features

Intracellular receptors

How intracellular receptors work

Key features

Vocabulary