Unit 4 discusses the multiple methods in which cells communicate with each other, with a focus on signal transduction pathways. Mitosis and the regulation of the cell cycle are also major topics, along with feedback mechanisms with relation to the many different body systems
🎥 Watch these videos:
AP Classroom: Review Session 3: Understanding Cell Communication & the Cell Cycle
Cell Communication: A review of the various types of cellular communication.
Feedback Mechanisms and the Cell Cycle: A review of both positive and negative feedback and how these can affect the cell cycle.
Endocrine System: A review of how cell signaling takes place in various parts of the body.
Check out these articles and Fiveable study guides:
Cell Communication and Cell Cycle (Khan Academy)
✍️ Practice:
Work through this POGIL on Cell Communication
If you have more time or want to dig deeper:
💎 Check out the FRQ checkpoint for Unit 4 in AP Classroom
➽ Can you answer these questions about cell communication? Take this quiz!