upstream signal

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• Upstream and downstream — can refer to: Molecular biology Upstream and downstream (DNA), determining relative positions on DNA. Upstream and downstream (transduction) determining temporal and mechanistic order of cellular and molecular events of signal transduction This… …   Wikipedia

• Upstream — In geography, upstream literally means towards the source of a stream or river, or against the normal direction of water flow.Upstream may also refer to:* Molecular biology ** Upstream on DNA, determining relative positions on DNA ** Upstream in… …   Wikipedia

• Upstream and downstream (transduction) — In molecular biology, the terms upstream and downstream can refer to the temporal and mechanistic order of cellular and molecular events. For example, in signal transduction, the second messenger acts downstream to activation of cell membrane… …   Wikipedia

• Upstream and downstream (molecular biology) — In molecular biology, upstream and downstream can refer to:*Upstream and downstream (DNA), determining relative positions on DNA. *Upstream and downstream (transduction) determining temporal and mechanistic order of cellular and molecular events… …   Wikipedia

• USS Signal (1862) — a small 190 ton steamship was acquired during the second year of the American Civil War by the Union Navy and outfitted as a gunboat. She also served other types of duty, such as that of dispatch vessel and convoy escort. Built in West Virginia… …   Wikipedia

• Wavelength-division multiplexing — For the radio station, see DWDM FM. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial m …   Wikipedia

• Rho family of GTPases — The Rho family of GTPases is a family of small ( 21 kDa) signaling G protein (more specific, a GTPase), and is a subfamily of the Ras superfamily. The members of the Rho GTPase family have been shown to regulate many aspects of intracellular… …   Wikipedia

• Passive optical network — A passive optical network (PON) is a point to multipoint, fiber to the premises network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises, typically 32 128. A PON consists of an …   Wikipedia

• modem — /moh deuhm, dem/, Computers. n. 1. an electronic device that makes possible the transmission of data to or from a computer via telephone or other communication lines. v.t. 2. to send or receive (information, data, or the like) via a modem.… …   Universalium

• DSL — Digital Subscriber Line (engl. für Digitaler Teilnehmeranschluss), kurz DSL, bezeichnet eine Reihe von Übertragungsstandards der Bitübertragungsschicht, mit der Daten mit hohen Übertragungsraten (bis zu 500 Mbit/s[1]) über einfache… …   Deutsch Wikipedia

• DSL-Anschluss — Digital Subscriber Line (engl. für Digitaler Teilnehmeranschluss), kurz DSL, bezeichnet eine Reihe von Übertragungsstandards der Bitübertragungsschicht, mit der Daten mit hohen Übertragungsraten (bis zu 500 Mbit/s[1]) über einfache… …   Deutsch Wikipedia