| http://www.w3.org/ns/prov#value | - Sarah Harding, M.P.H.: Phoebus Levine was a physician and biochemist at Rockefeller University who figured out the components that make up DNA, including the four types of bases -- adenine, guanine, thymine and cytosine -- as well the sugar deoxyribose and a phosphate group in its helical backbone.
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