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🧬ap biology review

Base in AP Biology

Written by the Fiveable Content Team
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team

Definition

A base is a substance that can accept protons or donate a pair of valence electrons. In the context of biology, bases often refer to substances that can accept hydrogen ions and have a pH value greater than 7.

AP course connection

Topic 1.1: 1.1 Structure of Water and Hydrogen Bonding

Unit 1