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6-12

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RNAi Discovered

Explore a mechanism called RNA interference (RNAi), which has evolved in cells to prevent viral infection in this video segment adapted from NOVA scienceNOW. Cells must carefully regulate the synthesis of proteins from genes to ensure normal development and to prevent disease. Having accidentally discovered this mechanism while experimenting with color in petunias, scientists now know that RNAi serves a critical role in this process.

Visit the program page here.

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