膝盖
发表于 2025-3-30 09:46:01
Modification of the germ line in animalsowever, as greater knowledge of the genetic regulation of mammalian development is achieved, and as more genes are cloned, isolated, and studied, the range of applicability of this technology will broaden considerably. Therefore; it must be anticipated that gene transfer will profoundly change the t
两栖动物
发表于 2025-3-30 13:27:58
Biochemistry and genetics of microbial iron assimilation with Tn5, displaying constitutive expression of all high affinity iron assimilation components in .. The mutation was mapped at 15.7 min on the chromosome. The mutation was then cloned on pBR322 and the wild-type gene recovered by homologous recombination. The results suggest that in the presence o
机械
发表于 2025-3-30 18:21:47
Molecular biology of zinc, as well as glucagon and epinephrine (via elevation of cellular cAMP levels) all induce transcription of the metallothionein gene. Recently it has been shown that a 12 by fragment of the metallothionein gene promoter sequence regulates expression of heterologous genes in vivo, which demonstrates th
兽群
发表于 2025-3-30 21:38:58
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abracadabra
发表于 2025-3-31 03:15:31
ied programs of basic and applied research on plants, animals, and insects that fall within these broad areas. Their research strategies included such techniques as germline modification, gene mapping, monoclonal antibody production, and gene transposition. These strategies have tapped new well springs of inf978-94-010-8455-0978-94-009-4396-4
职业
发表于 2025-3-31 08:08:27
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