Science: v.1-v.219Moses King, 1966 |
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Page 1255
... auxotrophs were tested for transformability by the following method in liquid suspensions : 4.5 ml of brain - heart infusion broth , supple- mented with 4 percent inactivated horse serum ( heated for 30 minutes at 60 ° C ) were ...
... auxotrophs were tested for transformability by the following method in liquid suspensions : 4.5 ml of brain - heart infusion broth , supple- mented with 4 percent inactivated horse serum ( heated for 30 minutes at 60 ° C ) were ...
Page 1256
... auxotrophs transformed as reported here , several others are under investigation , and many other auxotrophs were isolated but reverted to prototrophy after sev- eral serial transfers . Niederman et al . have also reported ( 9 ) the ...
... auxotrophs transformed as reported here , several others are under investigation , and many other auxotrophs were isolated but reverted to prototrophy after sev- eral serial transfers . Niederman et al . have also reported ( 9 ) the ...
Page 1349
... auxotrophy to prototrophy ) that has been inten- sively investigated in ultraviolet - resist- ant derivatives of ... auxotrophic strains respond to ultraviolet light by producing muta- tions to prototrophy that have unusual repair ...
... auxotrophy to prototrophy ) that has been inten- sively investigated in ultraviolet - resist- ant derivatives of ... auxotrophic strains respond to ultraviolet light by producing muta- tions to prototrophy that have unusual repair ...
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AAAS Abstracts Academic Press acid activity American amino acid analysis animals antibody Association auxotrophs bacteriophage Berkeley Biochem Biol Biological cells chemical Chemistry Chicago chloroplast chromium collagen complete compounds concentration culture Department edition effect electron ence engineering enzyme experimental experiments fibrinogen field frequency genetic glucose gram hydroxylation hydroxyproline Illus inhibition Institute instrument interferon International laboratory mathematics measured Medical ment method motoneuron mutations National nominal compounds norepinephrine normal nuclear papers particles percent physics plant plasma Pleistocene present problems production proline protein receptive fields References and Notes response samples Science scientific scientists serum Society specific strain symposium synthesis techniques tektites temperature theory tion tissue tive tolbutamide ture ultraviolet unit Univ University urease virus volume Washington water potential York