Holter-monitor
发表于 2025-3-21 18:41:55
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钢笔尖
发表于 2025-3-21 21:26:41
uences. The last few years have seen dramatic progress in the isolation and characterization of such proteins. Historically, transcription factors were isolated by biochemical methods involving extensive purification of the protein from tissue in which the factor was active. While such procedures ha
entail
发表于 2025-3-22 01:18:10
Junichi Yoshikawa,Takane Owaki,Hiroshi Kato,Kumeo Tanaka far. While the tomato spotted wilt disease has been described already in 1919 (Brittlebank) and shown to have viral etiology in 1930 (Samuel ., 1930) only during the past 10 years plant pathologists became aware of its worldwide spread and destructive properties. TSWV causes serious diseases in a g
分离
发表于 2025-3-22 05:12:32
Navin C. Nanda M.D.,Raymond Gramiak M.D.,James A. Manning M.D.lecules. DNA recombination reactions are conveniently divided into three categories: homologous recombination, site-specific recombination, and all others pejoratively described as illegitimate recombination. Current plant transformation techniques primarily rely on the least understood mechanisms,
哑剧
发表于 2025-3-22 11:44:10
Navin C. Nanda M.D.,Raymond Gramiak M.D.,James A. Manning M.D.e determining the function of specific genes. Plant pathogenic fungi are highly appropriate subjects for transformation experiments, because a number of fungal genes have been identified whose products are believed, but not proven, to play significant roles in interactions with host plants. For exam
malapropism
发表于 2025-3-22 15:09:20
Roy Soares A.S.U.T.S.,Amporn Prempree M.D.,Bernard Tabatznik M.D.cing) or Ri (root inducing) plasmids of . or the demonstration of T-DNA transfer . Thus, the first identified opine molecules were lysopine , octopine and nopaline (Fig. 1). In these early years, the catabolic properties of pathogenic . strains were not known and there w
友好
发表于 2025-3-22 18:37:02
P. A. N. Chandraratna M.D., M.R.C.P.,L. S. Cohen M.D.with great resolution. The advantage of this type of assay is that it permits determination of the intracellular distribution of a specific antigen with an average resolution of 20–30 nm. This resolution is sufficient to resolve most of a cell’s organelle and membrane systems. Immunocytochemical loc
Osteoarthritis
发表于 2025-3-22 23:35:17
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序曲
发表于 2025-3-23 04:38:32
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Instrumental
发表于 2025-3-23 09:19:39
Betty Phillips,Edward B. Diethrich M.D.,Vincent E. Friedewald Jr. M.D.,Jacklyn Ellisth the fundamental and more applied levels of research. For researchers interested in unravelling the roles of specific genes in particular pathways of growth and development, the introduction into plants of foreign genes and gene promoters linked to reporter genes allows the detailed study of the t