Chapter 11

Cell Communication

Discover how cells talk to each other. Master signal transduction - crucial for understanding hormones, immunity, and development.

6 Hours

Olympiad 5/5

Advanced

NEETRequired

MCATRequired

AP BiologyRequired

IB BiologyRequired

USABO

5/5

BBO

5/5

INBO

5/5

IBO

5/5

Key Topics Covered

Types of cell signaling

Signal transduction pathways

G-protein coupled receptors

Receptor tyrosine kinases

Second messengers - cAMP, calcium

Compare local and long-distance signaling

Trace signal transduction pathways

Explain G-protein and RTK mechanisms

Describe second messenger systems

Yes, cell signaling concepts connect to hormonal action, nerve impulse, and immune response - all major NEET topics.

Olympiads test specific pathway components, kinase cascades, cross-talk between pathways, and disease connections.

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