Nature, Volume 108Sir Norman Lockyer Macmillan Journals Limited, 1921 |
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Página 58
... factors themselves , their relation to meta- bolism , and their possible alteration by the en- vironment . How new factors are acquired is the fundamental problem of biology . Prof. M. F. Guyer's experiments are described . His remark ...
... factors themselves , their relation to meta- bolism , and their possible alteration by the en- vironment . How new factors are acquired is the fundamental problem of biology . Prof. M. F. Guyer's experiments are described . His remark ...
Página 87
... factors themselves , it seems not unreasonable to conclude that they must consist of definite chemical substances , or , perhaps better , of chemical modifications of living proto- plasm , in the form of minute particles too small to be ...
... factors themselves , it seems not unreasonable to conclude that they must consist of definite chemical substances , or , perhaps better , of chemical modifications of living proto- plasm , in the form of minute particles too small to be ...
Página 407
... factors of inheritance and for the building up of the complex it must be sup- posed that from time to time new factors have been added ; it must further be supposed that new substances have entered into the cycle of metabolism , and ...
... factors of inheritance and for the building up of the complex it must be sup- posed that from time to time new factors have been added ; it must further be supposed that new substances have entered into the cycle of metabolism , and ...
Índice
BarrettHamilton and M A C Hinton | 21 |
42s | 266 |
ROYAL AERONAUTICAL SOCIETY at Royal Society of Arts at 5 30 | 296 |
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