Download e-book for iPad: A Cybernetic View of Biological Growth: The Maia Hypothesis by Tony Stebbing

By Tony Stebbing

ISBN-10: 0511933819

ISBN-13: 9780511933813

ISBN-10: 0521199638

ISBN-13: 9780521199636

Maia is the tale of an idea, and its improvement right into a operating speculation, that offers a cybernetic interpretation of the way progress is managed. progress on the lowest point is managed via regulating the speed of development. entry to the output of regulate mechanisms is supplied by means of perturbing the transforming into organism, after which filtering out the results to progress fee. The output of the expansion keep watch over mechanism is then available for interpretation and modeling. Perturbation experiments were used to supply interpretations of hormesis, the neutralization of inhibitory load and purchased tolerance to poisonous inhibition, and catch-up progress. The account starts off with an creation to cybernetics masking the law of development and inhabitants elevate in animals and guy and describes this new method of entry the keep watch over of development approaches. This publication is acceptable for postgraduate scholars of organic cybernetics and researchers of organic development, endocrinology, inhabitants ecology and toxicology.

Show description

Read or Download A Cybernetic View of Biological Growth: The Maia Hypothesis PDF

Best developmental biology books

New PDF release: Freaks of Nature: What Anomalies Tell Us About Development

In such a lot respects, Abigail and Brittany Hensel are general American twins. Born and raised in a small city, they take pleasure in a detailed courting, notwithstanding every one has her personal tastes and character. however the Hensels additionally percentage a physique. Their heads sit down side-by-side on a unmarried torso, with palms and legs.

Form and Function in Developmental Evolution by Manfred D. Laubichler, Jane Maienschein PDF

This publication represents a brand new attempt to appreciate very previous questions about organic shape, functionality, and the relationships among them. The essays gathered the following mirror the range of ways in evolutionary developmental biology (Evo Devo), together with not just reviews by means of sought after scientists whose study makes a speciality of subject matters keen on evolution and improvement, but in addition traditionally and conceptually orientated reports that position the medical paintings inside of a bigger framework and ask the way it may be driven additional.

Hormones And Their Receptors In Fish Reproduction (Molecular - download pdf or read online

Study at the molecular features of fish replica has stepped forward quickly over the last few years. With the provision of wide-ranging molecular instruments, fish researchers have elucidated a few of the molecular mechanisms regulating copy which function within the mind, pituitary and gonad. This examine has printed novel variations of reproductive hormones and their receptors, and has shed new gentle at the mechanisms in which lots of those genes will be activated.

David Wool's The Driving Forces of Evolution: Genetic Processes in PDF

To deal with the abiotic stress-induced osmotic difficulties, crops adapt through both expanding uptake of inorganic ions from the exterior answer, or by way of de novo synthesis of natural suitable solutes performing as osmolytes. Of the osmoregulants and protectants mentioned during this quantity, trehalose, fructans, ectoine and citrulline, that are generated in several species, in osmotically useless quantities, mitigate the tension results on cells/plants and enhance productiveness.

Extra resources for A Cybernetic View of Biological Growth: The Maia Hypothesis

Example text

They are probably the earliest life forms to colonise the planet and occur almost everywhere in their unseen myriads. In natural waters, densities of thousands per millilitre are typical; fertile soils have millions per gram, while in faeces there are billions per gram. 6931/r. 2. Doubling times of exponentially growing populations. 5 days 5 days 150 days or a litre of milk. Higher temperatures are better for accelerated growth, so more rapid souring is likely if milk is warm. Deliberate inoculation with particular strains of bacteria is necessary to make milk products such as buttermilk and yoghurt.

Different species of Saccharomyces are used to ferment wine, cider, beer and bread. Concentrations of alcohol up to 15% can be achieved in some wines, but at these levels ethanol becomes toxic to the yeast, Exponential increase so distillation becomes necessary for the higher concentrations of alcohol needed to make spirits. Bacteria and yeast were domesticated and used for millennia before they were made visible to the naked eye, and it was even longer before the roles of the different kinds of micro-organisms could be linked to what they actually do in souring, fermenting and leavening.

GROWTH PHENOMENA FOR WHICH MAIA OFFERS AN EXPLANATION Later chapters describe those phenomena that Maia helps to explain. In particular the curious effect called ‘hormesis’: the paradoxical stimulatory effect of low concentrations of toxic substances (Chapters 10). This is an effect probably known since early humans first fermented beverages that created alcohol. It was first known formally to toxicologists over a century ago, but has never been satisfactorily explained. Many thousands of examples of hormesis have now been documented by toxicologists.

Download PDF sample

A Cybernetic View of Biological Growth: The Maia Hypothesis by Tony Stebbing

by Daniel

Rated 4.20 of 5 – based on 6 votes