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Discovered that DNA is the molecule of inheritance.
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Continued research of Frederick Griffith's discovery.
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Discovered that DNA is the carrier of genes in cells.
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Her work directly led to the discovery by Francis Crick and James Watson that DNA is a double helix in structure.
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Paved the way for the discovery of the helical nature of DNA.
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Discovered the pairings of guanine and cytosine, and adenine and thymine in the makeup of DNA.
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Discovered the structure of DNA.
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Proved that DNA replication was semi-conservative, meaning that both strands of DNA were used to synthesize a new DNA molecule, or one DNA molecule per strand. This is called semiconservative replication. They found this out by observing e coli with different concentrations of nitrogen (15N and 14N) in their DNA. When these e coli replicated, the resulting DNA strands consisted of equal parts 15N and 14N, which supported the semiconservative replication hypothesis.
