Back to Cell Communication and Cell Cycle

Lesson PreviewLesson 1 of 7 in this unit

4.1 Cell Communication

Part of Cell Communication and Cell Cycle in AP® Biology. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

Cell Communication: Mechanisms and Types

Cells communicate with one another by generating, transmitting, receiving, and responding to chemical signals. This process is essential for maintaining homeostasis, coordinating development, and responding to external stimuli. Communication occurs either through direct contact or via signaling molecules that act over short or long distances.

Continue the full lesson in Stellar

Create a free account to unlock the remaining sections, checkpoints, course practice, and progress tracking for AP® Biology.