Biological Computation by Ehud Lamm, Ron Unger

By Ehud Lamm, Ron Unger

The realm of biologically encouraged computing, or organic computation, contains the advance of latest, biologically established concepts for fixing tricky computational difficulties. A unified review of laptop technology principles encouraged by way of biology, organic Computation provides the main basic and critical strategies during this zone. within the booklet, scholars notice that micro organism speak, that DNA can be utilized for acting computations, how evolution solves optimization difficulties, that the way in which ants set up their nests might be utilized to unravel clustering difficulties, and what the human immune procedure can educate us approximately retaining laptop networks. The authors talk about extra organic examples resembling those, in addition to the computational thoughts constructed from those eventualities. The textual content makes a speciality of mobile automata, evolutionary computation, neural networks, and molecular computation. each one bankruptcy explores the organic history, describes the computational ideas, provides examples of functions, discusses attainable versions of the thoughts, and contains routines and suggestions. The authors use the examples and workouts to demonstrate key principles and methods. truly conveying the essence of the main computational ways within the box, this publication brings scholars to the purpose the place they could both produce a operating implementation of the strategies or successfully use one of many many to be had implementations. in addition, the ideas mentioned mirror primary rules that may be utilized past bio-inspired computing. Supplementary fabric is on the market on Dr. Unger's site.

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These cells are called haploid, and the number of chromosomes in them is denoted by n. This allows the descendants to have diploid cells, where each homologous chromosome pair contains one chromosome from each parent. From the current perspective one essential element of meiosis is of particular interest: the mixing of information between the homologous chromosomes. This process is called crossover and happens by a pairing up of the homologous chromosomes and exchange of corresponding sections of DNA.

Which of the following constitute positive feedback and which constitute negative feedback? a. Feeling cold, the body reacts by shivering designed to raise its temperature. b. Global warming causes the glaciers to melt. As glaciers reflect a lot of sunlight, their existence reduces warming. c. Fat cells secrete the hormone leptin. When the amount of fat decreases, less leptin is secreted, and that causes brain cells to send hunger signals. Cells in the gastrointestinal tract can determine how much food has been consumed and can signal other brain cells to stop the eating.

We return to this issue in the last chapter. 1 The Cell and Its Activities The cell is the basic unit of life, both structurally and functionally. Its activities include the absorption of nutrients, energy production from the nutrients (and from the sun in photosynthetic cells such as plant cells), interaction with other cells, and reproduction. Many types of cells can perform more specific functions and react to external stimuli. The activity of cells is cyclical, following a procession called the cell cycle.

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