Researchers find hidden signals in RNAs that regulate protein synthesis

Scientists have long known that RNA encodes instructions to make proteins. The building blocks that comprise RNA—A, U, C, and Gs—form a blueprint for the protein-making machinery in cells. To make proteins, the machinery latches on RNA at one end and then scans along the RNA until it reaches an AUG string, which is the signal to start translating the genetic code into a protein.

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