Gradient definition in biology
WebJul 24, 2024 · Proton gradient. in biology, the proton gradient may be used as an intermediate energy source for heat and flagellar rotation. It results from the higher concentration of protons outside the inner membrane of the mitochondria than inside the membrane, and becomes the driving force behind atp synthesis/hydrolysis. Last updated … WebGradients synonyms, Gradients pronunciation, Gradients translation, English dictionary definition of Gradients. n. Abbr. grad. 1. A rate of inclination; a slope. 2. An ascending or descending part; an incline. ... Biology A series of progressively increasing or decreasing differences in ... gradient - the property possessed by a line or surface ...
Gradient definition in biology
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WebWord & Picture Definition Protein pump Found in the cell membrane and is responsible for pushing molecules up their concentration gradient into or out of a cell. This requires ATP and is commonly used to move protons, sodium and potassium. This describes the cell membranes ability to let some items pass directly though while preventing others. Small, … WebJun 8, 2024 · Define an electrochemical gradient and describe how a cell moves substances against this gradient Electrochemical Gradients Simple concentration …
WebIllustrated definition of Gradient: How steep a line is. In this example the gradient is 35 0.6 Also called slope. Have a play (drag... WebConcentration gradient - a larger difference in the high and low concentrations increases the diffusion rate. Temperature - a higher temperature provides the particles with more …
WebSep 30, 2024 · A gradient is a measure of how steep a slope is. Thus, a concentration gradient would be associated with the extent of the … WebThe concentration gradient definition is a difference in the concentration of solute across a membrane. The solute is one part of a solution, the solvent being the other part. The …
WebPerson as author : Pontier, L. In : Methodology of plant eco-physiology: proceedings of the Montpellier Symposium, p. 77-82, illus. Language : French Year of publication : 1965. book part. METHODOLOGY OF PLANT ECO-PHYSIOLOGY Proceedings of the Montpellier Symposium Edited by F. E. ECKARDT MÉTHODOLOGIE DE L'ÉCO- PHYSIOLOGIE …
WebDiffusion is the process of movement of molecules under a concentration gradient. It is an important process occurring in all living beings. Diffusion helps in the movement of substances in and out of the cells. The molecules move from a region of higher concentration to a region of lower concentration until the concentration becomes equal ... how to search zelle historyWebChemotaxis (from chemo-+ taxis) is the movement of an organism or entity in response to a chemical stimulus. Somatic cells, bacteria, and other single-cell or multicellular organisms direct their movements according to … how to sear crab cakesWebJul 6, 2024 · Because of the concentration gradient, the sodium tends to influx into the cell. At some point, the cell becomes electropositive enough to repel the new sodium ions, … how to sear cod filletWebElectrochemical gradient determines the direction of movement of substances in biological processes by diffusion and active transport. The diffusion and active transport generate an electrochemical potential … how to sear filet on stoveWebOct 4, 2024 · Facilitated Diffusion Definition. Facilitated diffusion is a form of facilitated transport involving the passive movement of molecules along their concentration gradient, guided by the presence of another molecule – usually an integral membrane protein forming a pore or channel. Facilitated diffusion does not directly involve high-energy ... how to seared salmonWebBook: Introductory Biology (CK-12) 2: Cell Biology 2.13: Diffusion ... The difference in the concentrations of the molecules in the two areas is called the concentration gradient. Diffusion will continue until this gradient … how to sear elk steak in a cast iron skilletWebgradient. (grā′dē-ənt) n. Abbr. grad. 1. A rate of inclination; a slope. 2. An ascending or descending part; an incline. 3. Physics The rate at which a physical quantity, such as temperature or pressure, changes in response to changes in a … how to sear filet mignon and finish in oven