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Signal — Signal, signals, signaling, or signalling may refer to: Scientific concepts * Signal (electrical engineering), a physical quantity that can carry information. * Signal processing, the field of techniques used to extract information from signals * … Wikipedia
Signal transduction — In biology, signal transduction refers to any process by which a cell converts one kind of signal or stimulus into another. Most processes of signal transduction involve ordered sequences of biochemical reactions inside the cell, which are… … Wikipedia
Signal recognition particle — NOTOC protein Name = signal recognition particle 9kDa caption = width = HGNCid = 11304 Symbol = SRP9 AltSymbols = EntrezGene = 6726 OMIM = 600707 RefSeq = NM 003133 UniProt = P49458 PDB = ECnumber = Chromosome = 1 Arm = q Band = 42.12… … Wikipedia
Signal d'alarme (biologie) — Marmota marmota dans les Alpes françaises Dans l étude de la communication animale, les signaux d alarme sont des manifestations chimiques, visuelles, vocales ou sonores émises par un individu qui sont perceptibles au sein d un groupe de proie… … Wikipédia en Français
Signal theory — See also Signalling theory, a concept in evolutionary biology Signal theory is the theory of the engineering discipline of signal processing. It provides mathematical approaches for use in a wide range of applications. Fields as far apart as… … Wikipedia
Signal transduction — A basic process in molecular cell biology involving the conversion of a signal from outside the cell to a functional change within the cell. A signal (such as a hormone or neurotransmitter) interacts with a receptor on the cell surface; this… … Medical dictionary
Biology of depression — Scientific studies have found that numerous brain areas show altered activity in depressed patients. It has not been possible to pin down the cause of depression to a single specific flaw in a single part of the brain. Instead it seems likely… … Wikipedia
Topic outline of biology — Biology is the study of living organisms. It is concerned with the characteristics, classification, and behaviors of organisms, how species come into existence, and the interactions they have with each other and with the environment. Biology… … Wikipedia
List of biology topics — Biology is the study of life and its processes. Biologists study all aspects of living things, including all of the many life forms on earth and the processes in them that enable life. These basic processes include the harnessing of energy, the… … Wikipedia
Chemical biology — is a scientific discipline spanning the fields of chemistry and biology that involves the application of chemical techniques and tools, often compounds produced through synthetic chemistry, to the study and manipulation of biological systems.… … Wikipedia
