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A biogeochemical cycle, or more generally a cycle of matter, [1] is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust.
The book was the first to position cell biology as a central discipline for biology and medicine, and immediately became a landmark textbook. [3] It was written in intense collaborative sessions in which the authors lived together over periods of time, [3] organized by editor Miranda Robertson, then-Biology Editor of Nature. [4]
Gene conversion is the process by which one DNA sequence replaces a homologous sequence such that the sequences become identical after the conversion. [1] Gene conversion can be either allelic , meaning that one allele of the same gene replaces another allele, or ectopic , meaning that one paralogous DNA sequence converts another.
Bioenergetics is a field in biochemistry and cell biology that concerns energy flow through living systems. [1] This is an active area of biological research that includes the study of the transformation of energy in living organisms and the study of thousands of different cellular processes such as cellular respiration and the many other metabolic and enzymatic processes that lead to ...
New cellulosic ethanol conversion processes have enabled the variety and volume of feedstock that can be bioconverted to expand rapidly. Feedstock now includes materials derived from plant or animal waste such as paper, auto-fluff, tires, fabric, construction materials, municipal solid waste (MSW), sludge , sewage , etc.
The mel scale (after the word melody) [1] is a perceptual scale of pitches judged by listeners to be equal in distance from one another. The reference point between this scale and normal frequency measurement is defined by assigning a perceptual pitch of 1000 mels to a 1000 Hz tone, 40 dB above the listener's threshold.
This book is divided into three parts: Part One An introduction to the principles on which Best Year Yet is based, as well as sharing the experiences of many people who have participated in the process over the years. Part Two Each of the 10 questions has its own chapter in which I review the background material and provide
In genetics, a centimorgan (abbreviated cM) or map unit (m.u.) is a unit for measuring genetic linkage.It is defined as the distance between chromosome positions (also termed loci or markers) for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01.