๐Ÿงฌap biology review

Stop Codon

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

A stop codon is a specific sequence of three nucleotides in the genetic code that signals the end of protein synthesis.