AP Bio Unit 4 - Cell Communication - Review & Questions

Test your knowledge on Unit 4 for AP Biology! This is a review video which covers topics 4.1 (Cell Communication), 4.2 (Intro to Signal Transduction) and 4.3 (Signal Transduction Pathways). We go through the main content and then answer a few practice questions at the end. Content based on the updated 2025 AP Biology CED. Like this resource? The PowerPoint used in this video can be found at my store on TPT. https://www.teacherspayteachers.com/s... 00:00 Intro 02:05 Types of Cell Signaling 04:33 Signal Transduction Pathways 13:06 Practice Questions