Written by the Fiveable Content Team โข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated August 2025
Definition
A phosphate group is a molecule in the chemical form PO4 that is part of many important biological structures such as DNA, RNA, ATP (adenosine triphosphate), and phospholipids.