๐Ÿงฌap biology review

Immune response

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

The cellular and molecular mechanisms by which an organism defends against pathogenic infection, including signaling cascades and cell death pathways.

AP course connection

Topic 4.1: 4.1 Cell Communication

Unit 4