The Premed Village MCAT Course

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

Wikipedia - MAPK/ERK pathway

Great article.

Oregon State University - Signaling Pathway of Ras

NCBI - Molecular Cell Biology - Receptor Tyrosine Kinases and Ras

Detailed treatment of important material. The MCAT loves to drop you into a dense passage related to this content. It's not about knowing a million facts but rather having a sense of how things work in this world.

Biology LibreTexts - Oncogenes

Topic Resources

Interdisciplinary MCAT Course Videos

Conceptual Vocabulary

Images for Teachers

figures for classroom presentation