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During the past few decades we have witnessed an era of remarkable growth in the field of molecular biology. In 1950 very little was known of the chemical constitution of biological systems, the manner in which information was trans mitted from one organism to another, or the extent to which the chemical basis of life is unified. The picture today is dramatically different. We have an almost bewildering variety of information detailing many different aspects of life at the molecular level. There great advances have brought with them some breath-taking insights into the molecular mechanisms used by nature for rep licating, distributing and modifying biological information. We have learned a g...
Yeast Cells
Aspects of Cell Regulation deals with the various aspects of cellular control mechanisms. The book begins with a discussion of the role of hormones in the control of cell differentiation and biochemical control over the life of an organism. This is followed by separate chapters on an intracellular control problem, namely, the proper reproduction of cellular organelles and their apportionment between daughter cells at cell mitosis; cell mutants with different temporal order for macromolecular synthesis; and the control of a plant enzyme that converts triglycerides into carbohydrate during the early stages of postgerminative growth within seed cotyledon. Subsequent chapters deal with the possible role of mitochondria in changing the control mechanism of cells to that associated with carcinogenesis; the possibility of transforming genes being detectable in the genome after the transformation to neoplastic cell; the correlation between viruses and tumor cells; and whether viruses can originate from cells rather than coming before cells.
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