Word: rhizobia
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Dates: during 1974-1974
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...Manhattan's Memorial Sloan-Kettering Cancer Center, Thomas is also a gifted writer with wit, imagination and a bold, encouraging vision of both man and nature. His main theme is symbiosis, the intimate association between even the most dissimilar organisms. For example, he points out that bacteria called rhizobia live in the roots of bean plants and enable them to utilize the nitrogen in the soil; without these parasites the plants would die. There are also viruses-small, independent packets of nucleic acids -which Thomas believes may have helped man evolve by transmitting bits of the master molecule...
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