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Signal Transduction

Autocrine, Paracrine, and Endocrine Signaling
Cell Surface Receptors
Gated Ion Channels
Catalytic Receptors Employing Receptor Tyrosine Kinase
MAPK Signaling Pathway
Insulin Receptor
Catalytic Receptors Employing Non-Receptor Tyrosine Kinase
JAK-STAT Pathway
G Protein–Coupled Receptors
Intracellular Receptors
Second Messenger Systems
Adenylyl Cyclase
Phospholipase C
Phosphoinositide 3-kinase
OpenLearn - The JAK–STAT pathway

NCBI - Cold Springs Harbor - The JAK/STAT Pathway

Topic Resources

Interdisciplinary MCAT Course Videos
Conceptual Vocabulary
Images for Teachers
figures for classroom presentation