TUMOR
发表于 2025-3-21 18:14:36
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同位素
发表于 2025-3-21 20:21:24
Plasmid vectors,erial chromosome. They can also mobilise DNA to which they are not covalently joined and this includes co-existing non-conjugative plasmids. In this Chapter I will trace the modification of several non-conjugative plasmid vectors to give more effective cloning vehicles which can no longer be effectively mobilised during conjugation.
Indelible
发表于 2025-3-22 03:47:24
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折磨
发表于 2025-3-22 07:33:43
Gesunde zwischenmenschliche Beziehungen,this system: .S, .M and .R. A polypeptide which governs the specificity of the system is determined by .S. The gene product of .M is the modification enzyme which also interacts with the product of the .R gene, the restriction endonuclease, in the cleavage process. In the above examples the phage gr
充气女
发表于 2025-3-22 10:39:03
Das Glas im chemischen Laboratoriums in the nuclei of most higher organisms are very much larger and more heterogeneous than the functional mRNAs in the cell cytoplasm. Our picture of chromosome organisation and gene control in eukaryotes is, however, still very incomplete in spite of the information explosion generated by the . reco
Bother
发表于 2025-3-22 14:11:56
Augendruck und Drucksteigerung,ryotic cells or an . system for eukaryotic gene expression. Since such an approach is in its infancy, this chapter will serve simply to draw attention first to techniques for . mutagenesis, and second to some eukaryotic systems which are available to study the expression of cloned eukaryotic genes.
Bother
发表于 2025-3-22 20:23:44
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backdrop
发表于 2025-3-22 21:49:56
The enzymology of , DNA recombination,this system: .S, .M and .R. A polypeptide which governs the specificity of the system is determined by .S. The gene product of .M is the modification enzyme which also interacts with the product of the .R gene, the restriction endonuclease, in the cleavage process. In the above examples the phage gr
–吃
发表于 2025-3-23 01:45:35
Methods for the physical characterisation of cloned segments of chromosomal DNA from higher eukaryos in the nuclei of most higher organisms are very much larger and more heterogeneous than the functional mRNAs in the cell cytoplasm. Our picture of chromosome organisation and gene control in eukaryotes is, however, still very incomplete in spite of the information explosion generated by the . reco
小画像
发表于 2025-3-23 09:28:00
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