The Great Ideas TodayRobert Maynard Hutchins, Mortimer Jerome Adler Encyclopædia Britannica, 1962 |
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... cells produce sick tissues and sick people , published a picture of the liver cell with its four parts . In Virchow's picture a glob of darkish matter appeared in the center of the cell — the nucleus . Within the nucleus , Virchow had ...
... cells produce sick tissues and sick people , published a picture of the liver cell with its four parts . In Virchow's picture a glob of darkish matter appeared in the center of the cell — the nucleus . Within the nucleus , Virchow had ...
Стр. 290
... cell to the inside . Biologists made the inference that the cell ( cytos ) was " drinking ” ( Greek : pinein— “ to drink ” ) in gulps as well as allowing fluids to drift across the membrane . The original and classic examples of this ...
... cell to the inside . Biologists made the inference that the cell ( cytos ) was " drinking ” ( Greek : pinein— “ to drink ” ) in gulps as well as allowing fluids to drift across the membrane . The original and classic examples of this ...
Стр. 294
... cell by carrying out chemical reactions on a microscopic level . It is used mainly to find enzymes in the cell . The reaction is performed in such a way as to leave a deposit of lead where the enzyme has been ; this deposit can be seen ...
... cell by carrying out chemical reactions on a microscopic level . It is used mainly to find enzymes in the cell . The reaction is performed in such a way as to leave a deposit of lead where the enzyme has been ; this deposit can be seen ...
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