🧬ap biology review

Reactants

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

Definition

Reactants are substances present at the beginning of a chemical reaction which are consumed during the process.

AP course connection

Topic 3.2: 3.2 Environmental Impacts on Enzyme Function

Unit 3
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