ScienceJohn Michels (Journalist) 1950 |
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Стр. 11
... Species showing the three types of behavior are listed here : Species with exposed pineal areas that are light - posi- tive . The figures give the extent of positivity in terms of percent of time spent in the light or darkness , with ...
... Species showing the three types of behavior are listed here : Species with exposed pineal areas that are light - posi- tive . The figures give the extent of positivity in terms of percent of time spent in the light or darkness , with ...
Стр. 301
... species specificity in biological activity and oc- currence ( 10 ) . Among the higher species in which these vitamins are active , B vitamin homologues gen- erally have little or no species specificity in activity . They do show a ...
... species specificity in biological activity and oc- currence ( 10 ) . Among the higher species in which these vitamins are active , B vitamin homologues gen- erally have little or no species specificity in activity . They do show a ...
Стр. 302
... species have higher blood levels . Although considerable data are available for vitamins A , C , D , and E , they show little relationship to species size or to ecological factors . It would thus seem again that the B - vitamins are ...
... species have higher blood levels . Although considerable data are available for vitamins A , C , D , and E , they show little relationship to species size or to ecological factors . It would thus seem again that the B - vitamins are ...
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AAAS absorption activity albumin Amer American animals applied Association atherosclerosis atomic awarded Beer-Lambert laws beta particles bevatron biol biological blood cells chairman Chem chemical chemistry Chicago cholesterol cloud chamber College Committee compounds concentration curves cytoplasm Department director effect electron emulsion energy enzyme experimental experiments fellowships field genes genetics growth Health indicate injected Institute internal wave investigation Laboratory Lambert's law larvae layer material measurements Medical Medicine meeting ment mesons metabolism method mice molecular molecules National nuclear nuclei nucleic acid observed obtained organic paper particles penicillin phosphorus Phys physical plants plates present president problems produced professor protein prothrombin protons radiation rats reaction recent reported rhodopsin sample School Science scientific scientists serum session Society soil solution specific temperature theory tion tissue Univer University values versity vitamin volume Washington WNCD York York City