Suchergebnisse

1 Introduction -- 2 Strategy and tactics -- 3 Model systems, the reductionist approach -- 3.1 Bacteriophage -- 3.2 Enzyme induction in bacteria -- 3.3 Spore formation in bacteria -- 3.4 Are prokaryotes good models for eukaryotes? -- 3.5 The cellular slime mould Dictyostelium discoideum -- 3.6 Tissue culture cells -- 3.7 Metamorphosis -- References -- 4 Special systems, the classical approach -- 4.1 Chromosome structure and function -- 4.2 RNA synthesis -- 4.3 Protein synthesis -- 4.4 Protein degradation -- 4.5 Protein modification -- 4.6 Metabolism -- Summary -- References -- Suggestions for further reading.

To the extent that the social sciences have been concerned with thestratification of Latin American societies they have shown a well-knowntendency to dichotomize their structures into a small upper class of wealthy and powerful landowners and a poor and powerless lower class hetero-geneously composed of rural workers, urban proletarians, petty traders, artisans, and the like. As a rule, the emergence of new classes and thegrowing internal differentiation of emergent or traditional classes are somewhat reluctantly admitted only as the societies of Latin America have demonstrated the ability to depart from their agrarian tradition and topursue the irreversible course of modernization. There has been a strong inclination to ignore or to minimize those aspects of the social structure which suggest a higher degree of complexity than the stereotype of a two-class system seems to indicate.