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07/05/1939 American molecular biologist Sidney Altman is born

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Conversations with History: Ribonucleic Acid (RNA)

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RNA - The Discovery of Ribozymes (1-2)

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RNA - The Discovery of Ribozymes (2-2)

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What Is the RNA World Hypothesis?

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The RNA Origin of Life

Sidney Altman is best known as one of the two discoverers of the catalytic properties of RNA in 1982. The catalytic DNA is called the Ribozyme. Its discovery led to the RNA world hypothesis, which suggests that first living organisms used RNA instead of the more stable DNA.
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