accumulating mechanism
21Leptin — PDB rendering based on 1ax8. Available structures …
22Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
23Money multiplier — In monetary economics, a money multiplier is one of various closely related ratios of commercial bank money to central bank money under a fractional reserve banking system.[1] Most often, it measures the maximum amount of commercial bank money… …
24Cell cycle — For the separation of chromosomes that occurs as part of the cell cycle, see mitosis. For the Academic journal, see Cell Cycle. Each turn of the cell cycle divides the chromosomes in a cell nucleus. The cell cycle, or cell division cycle, is the… …
25Darwinism — This article is about concepts called Darwinism. For biological evolution, see evolution. For modern evolutionary theory, see modern evolutionary synthesis. Charles Darwin in 1868 Darwinism is a set of movements and concepts related to ideas of… …
26Evolution — This article is about evolution in biology. For other uses, see Evolution (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to evolution. Part of a series on …
27G protein-coupled receptor — G protein coupled receptors (GPCRs), also known as seven transmembrane domain receptors, 7TM receptors, heptahelical receptors, and G protein linked receptors (GPLR), comprise a large protein family of transmembrane receptors that sense molecules …
28Parallax Propeller — chip The Parallax P8X32A Propeller chip, introduced in 2006, is a multi core architecture parallel microcontroller with eight 32 bit RISC CPU cores.[1] …
29earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …
30geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …
