Listening · Parte 2
You will hear a scientist talking about an important discovery in molecular biology. For questions 1-9, complete the sentences with a word or short phrase.
As well as contributing to the discovery of new techniques, the speaker suggests the double helix discovery (1) .......... a new field of science. Watson and Crick were jointly awarded a Nobel Prize open to people with a background in (2) ........... Oswald Avery proved conclusively that hereditary (3) .......... was…
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