摘要 The fact that metabolic rate scales as the three

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論文資訊

• 類型：已發表論文
• 日期：2002

摘要

The fact that metabolic rate scales as the three-quarter power of body mass (M) in unicellular, as well as multicellular, organisms suggests that the same principles of 生物 design operate at multiple levels of organization. We use the framework of a general model of 碎形-like distribution 網絡s together with data on energy transformation in mammals to analyze and predict allometric 縮放律 of aerobic 代謝 over a remarkable 27 orders of magnitude in mass encompassing four levels of organization: individual organisms, single cells, intact mitochondria, and enzyme molecules. We show that, whereas rates of cellular 代謝 in vivo scale as M-1/4, rates for cells in culture converge to a single predicted value for all mammals regardless of size. Furthermore, a single three-quarter power allometric 縮放律 law char

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