Titlebook: Ice Ages and Interglacials; Measurements, Interp Donald Rapp Book 2019Latest edition Springer Nature Switzerland AG 2019 Ice Ages.Climate C

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Donald Rappected packets of neurons. These packets contain relatively homogeneous populations of neurons whose neurotransmitter properties are largely known and for which a number of assays, cytochemical, biochemical, and electrophysiological, are readily available. In the case of sympathetic ganglia, the neur

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Donald Rappon, interactions between cells, mechanisms of morphogenesis and synaptogenesis. Because culture systems are experimentally accessible to anatomical, biochemical, and pharmacological techniques, they provide the investigator with a great deal of information as well as the opportunity to correlate the

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events that most often occur in a cell cycle phase-dependent fashion. Studies involving cell cycle regulatory mechanisms and progression invariably require cell cycle synchronization of cell populations. Several methods are employed for obtaining and examining synchronized cells as they pass through

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History and Description of Ice Ages,ysical observations. As early as 1920, Chamberlain provided a map of the North American and Greenland ice sheets at the last glacial maximum that remain quite accurate even today. Two massive ice sheets dominated the northern hemisphere. Nearly a quarter of the earth’s surface lay under the weight o

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Ice Core Methodology,c information derived from ice cores is obtained from four principal mechanisms: (1) analysis of stable isotopes of hydrogen and atmospheric oxygen which provide data on past temperatures; (2) analysis of other gases in the air bubbles in the ice which provide evidence of past trace gases, particula

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