Titlebook: Macromolecules in the Functioning Cell; Francesco Salvatore,Gennaro Marino,Pietro Volpe Book 1979 Plenum Press, New York 1979 DNA.biochemi

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A Novel Type of Gene Organization in Eukaryotic Chromosomesequences occurring one per genome. The genes for globins, ovalbumin, fibroin, albumin, crystallins and many other can be mentioned as examples. It is suggested that unique genes are surrounded by DNA sequences which do not encode any protein but may participate in the regulation of expression of the

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Differential Gene Expression during the Cell Life Cyclehe working of the DNA⇌RNA→Protein machinery (lytic virus genome and coat protein are also synthesized during interkinesis, and not during mitosis, and virus oncogenes also appear to be integrated and expressed mainly during the S-phase). The model of the cell cycle which emerges is based on the find

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membrane

Methylation of Transfer Ribonucleic Acida variety of specific molecules, all of which appear to have a spatial structure basically similar to each other. Moreover, in recent years several other roles of tRNA, besides the structural ones (i.e., those related to the formation of a protein), have been shown to be related to some regulatory c

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DNA-Dependent ATPases and Viceversas genetic recombination, DNA replication, restriction and termination of transcription. The enzymological properties and in vivo functions so far known are reviewed, with emphasis on the exonuclease V’s of bacteria, involved in recombination.

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Some Properties of Two Proteins Involved in Membrane Transportresides in the great number of biological functions connected with these microscopic structures. It is not appropriate to recall here all the concepts which have developed in this area since some decades (see for a recent review 1). The most generally accepted structure today is that illustrated by

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Enzymatic Modifications of Nuclear DNA in the Early Embryonic Development of the Sea Urchineins are well understood. In principle we can understand how, by spontaneous assemblage of components of the lower level, viruses, subcellular organelles, bacterial cells and even the cells of monocellular eukaryotes arise.

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Cpr951

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A. A. Bayev,K. G. Skryabin,V. M. Zaharyev,A. S. Krayev,P. M. Rubtsov astronomical publications throughout the world. It is prepared under the auspices of the International Astronomical Union (according to a resolution adopted at the 14th General Assembly in 1970). Astronomy and Astrophysics Abstracts aims to present a comprehensive documentation of literature in all