🧬ap biology review

CHONPS

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

CHONPS is an acronym representing six elements essential for living organisms - Carbon (C), Hydrogen (H), Oxygen (O), Nitrogen (N), Phosphorus (P), and Sulfur (S). These elements make up the building blocks of biological molecules like proteins, nucleic acids, carbohydrates, and lipids.

"CHONPS" also found in: