Nature, Volume 260Sir Norman Lockyer Macmillan Journals Limited, 1976 |
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Página 121
... oocytes with the test nuclei . Oocytes may then be cultured for several days , so that the injected proteins may enter nuclei and associate with genes . Changes in gene activity can then be measured by subsequent labelling and analysis ...
... oocytes with the test nuclei . Oocytes may then be cultured for several days , so that the injected proteins may enter nuclei and associate with genes . Changes in gene activity can then be measured by subsequent labelling and analysis ...
Página 157
... oocyte nucleus Block to polyspermy Day of oestrous cycle * when HCG injected showing No. of animals injected oestrus Total ovulations Mean per Primary Polyspermic oocytes eggs No. ( % ) no . animal ( % ) ( % ) Availability of vitelline ...
... oocyte nucleus Block to polyspermy Day of oestrous cycle * when HCG injected showing No. of animals injected oestrus Total ovulations Mean per Primary Polyspermic oocytes eggs No. ( % ) no . animal ( % ) ( % ) Availability of vitelline ...
Página 322
... oocytes was the same as that of oocytes treated with 1 - MA in 80 % artificial seawater . Thus the maturing oocyte pro- duces a cytoplasmic factor which induces GVBD , leading to the completion of meiotic maturation . Furthermore , on ...
... oocytes was the same as that of oocytes treated with 1 - MA in 80 % artificial seawater . Thus the maturing oocyte pro- duces a cytoplasmic factor which induces GVBD , leading to the completion of meiotic maturation . Furthermore , on ...
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Acad accepted January acid activity adenylate cyclase animals antigen Applications are invited appointment assay axon basalts binding Biochem Biochemistry Biol Biology blastula brain Cancer cDNA cells chemical Chemistry chromosome coli concentration containing cultures cyclic AMP cytoplasm Department edit effect electron enzyme exconjugants exotoxin experience fibroblasts field ganglion gene genetic globin helper cells HnRNA human hybridisation increase incubated inhibition injected interferon Laboratory Lecturer London lymphocytes mechanism membrane ment mice molecular molecules mRNA muscle mutant natn Nature nerve neurones normal nuclear nucleotide observed obtained oocytes Physics Physiol plasmid potential Proc produced protein Reader Enquiry receptors referees region response reverse transcriptase ribosomes Salary samples Science sequences serum solar specific stimulation structure studies substantia nigra suggest surface synthesis Table tion tissue tRNA tumour University virus viruses vitro York