Tyrosine Memes

When your RNA is trying to code for tyrosine but you're all "STOP RIGHT THERE!" 🧬✋ UAA, UAG, and UGA are the genetic "stop codons" that tell ribosomes to slam the brakes on protein synthesis. They're basically the molecular equivalent of a dad shouting "NOT IN MY HOUSE!" to protein production. Imagine little molecular machines frantically building proteins only to hit these codons and go "Welp, I guess we're done here!" *drops amino acids and walks away*