Nature, Količina 260Sir Norman Lockyer Macmillan Journals Limited, 1976 |
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Zadetki 1–3 od 83
Stran 112
... normal development of the zygote into the differentiated multicellular organism . The nature of these morphogenetic substances and the manner in which they function are unknown . Genes which exert maternal effects through modifications ...
... normal development of the zygote into the differentiated multicellular organism . The nature of these morphogenetic substances and the manner in which they function are unknown . Genes which exert maternal effects through modifications ...
Stran 119
... Normal early blastulae ( stage 8 ) exhibit little or no nuclear incorporation of 3H - uridine , but normal late blastulae ( stage 9 ) show intense nuclear labelling . In contrast , mutant blastulae never show incorporation of 3H ...
... Normal early blastulae ( stage 8 ) exhibit little or no nuclear incorporation of 3H - uridine , but normal late blastulae ( stage 9 ) show intense nuclear labelling . In contrast , mutant blastulae never show incorporation of 3H ...
Stran 146
... normal individuals to the same allogeneic panel . We have determined an RR for each of 33 normal individuals . The range was 79-136 % with a geometric mean RR of 101 % . An abnormally low RR was considered to be one greater than two ...
... normal individuals to the same allogeneic panel . We have determined an RR for each of 33 normal individuals . The range was 79-136 % with a geometric mean RR of 101 % . An abnormally low RR was considered to be one greater than two ...
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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