Word: algal
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Dates: during 1970-1979
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...fungi and doused them with TTC, the chemical began turning pink in only 15 to 20 minutes the time it usually takes active cells to react. As a double check, he placed some of the samples in containers of radioactively labeled carbon dioxide. When exposed to light, the algal cells immediately began taking up carbon dioxide, proof that photosynthesis was under way and that the plants were not dormant...