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THOMAS R. CECH - PHOTOGRAPH SIGNED - HFSID 201706

 
THOMAS R. CECH
Signed 5x7 photo
Photograph signed: "Thomas R. Cech". B/w, 5x7. Photo by University of Colorado at Boulder. The American molecular biochemist was awarded the 1989 Nobel Prize for Chemistry for discovering that RNA (ribonucleic acid), a type of nucleic acid involved in heredity, can also act as an enzyme, aiding a chemical reaction without being changed or consumed. Previously, scientists thought all enzymes were proteins. Cech also found that RNA can duplicate itself, indicating that it may have existed before another unit of heredity known as DNA (deoxyribonucleic acid) and therefore could have been the key molecule in the origin of life billions of years ago. Ink note and photographer's label on verso (no show-through). Fine condition.









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THOMAS R. CECH  


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THOMAS R. CECH
Born: December 8, 1947 in Chicago, Illinois


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