Science, Том 118John Michels (Journalist) American Association for the Advancement of Science, 1883 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 169
... bacteria were considered biologically exceptional organisms with no genes , nuclei , or sex , although the recognition of their biochemical similarities to other forms of life constituted one of the main foundations of comparative ...
... bacteria were considered biologically exceptional organisms with no genes , nuclei , or sex , although the recognition of their biochemical similarities to other forms of life constituted one of the main foundations of comparative ...
Стр. 261
... bacteria and fungi or upon bacteria , rickettsiae , and the larger viruses . It was further found in our laboratory and in others that one antibiotic , such as actinomycin and streptothricin , could be produced by several different ...
... bacteria and fungi or upon bacteria , rickettsiae , and the larger viruses . It was further found in our laboratory and in others that one antibiotic , such as actinomycin and streptothricin , could be produced by several different ...
Стр. 608
... bacteria is particularly apparent when the bacteria are cultivated in very simple chem- ically defined media composed only of inorganic salts and suitable single sources of carbon and nitrogen ( 26 ) . In the absence of magnesium ...
... bacteria is particularly apparent when the bacteria are cultivated in very simple chem- ically defined media composed only of inorganic salts and suitable single sources of carbon and nitrogen ( 26 ) . In the absence of magnesium ...
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serodiagnosis of syphilis | 55 |
serum cancer and ion exchange | 114 |
schizophrenic stress and toxicity | 132 |
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