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Page 568
... plant tissue , as Van Helmont had suggested . The next important contribution came in the 1850's , when the French mining engineer Jean Baptiste Boussingault grew plants in soil completely free of organic matter . He showed , in this ...
... plant tissue , as Van Helmont had suggested . The next important contribution came in the 1850's , when the French mining engineer Jean Baptiste Boussingault grew plants in soil completely free of organic matter . He showed , in this ...
Page 569
Isaac Asimov. strychnine , caffeine , and several other specialized plant products , iso- lated the most important plant product of all - the one that gives the green color to green plants . They called the compound " chlorophyll ...
Isaac Asimov. strychnine , caffeine , and several other specialized plant products , iso- lated the most important plant product of all - the one that gives the green color to green plants . They called the compound " chlorophyll ...
Page 570
... plant cells or , at best , intact chloroplasts , would do , which meant that the system under study was very complex . As a first guess , biochemists assumed that the plant cells synthesized glucose ( C6H12O6 ) from the carbon dioxide ...
... plant cells or , at best , intact chloroplasts , would do , which meant that the system under study was very complex . As a first guess , biochemists assumed that the plant cells synthesized glucose ( C6H12O6 ) from the carbon dioxide ...
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alpha particles American amino acids animals antiproton astronomer atmosphere bacteria biochemist blood body brain called carbon atoms carbon dioxide cells cent century chain charge chemical chemist chemistry chromosomes compound containing detected developed discovered discovery disease distance earth electric electrons elements energy enzyme fission galaxies gases gene German glucose gravitational Greek word heat helium hemoglobin hormone human hydrogen hydrogen atoms instance isotope light light-years liquid living magnetic field mass measure metal miles per second million molecule moon motion named nature nerve neutrino neutron nitrogen Nobel Prize nuclear nucleic acid nucleus ocean orbit ordinary organic oxygen particles physicist plant possible produced protein proton quantity quasars radiation radio radioactive reaction rotation scientists seemed showed solar space speed stars structure substances surface temperature theory thorium tion tissue turned universe uranium velocity virus vitamin wavelength waves white dwarfs word meaning X-rays