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ATP cycle and reaction coupling | Energy (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/cellular-energetics/cellular-energy/a/atp-and-reaction-coupling
webIn most cases, cells use a strategy called reaction coupling, in which an energetically favorable reaction (like ATP hydrolysis) is directly linked with an energetically unfavorable (endergonic) reaction.
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Energy coupling - Definition and Examples - Biology Online
https://www.biologyonline.com/dictionary/energy-coupling
webJun 16, 2022 · Energy coupling, by definition, stands for a concept of coupling two biological reactions; meaning energy generated from one reaction is used to drive the second reaction. Two different reactions or biological systems are coupled together or put into synchrony this way.
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2.3: Energy Coupling - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Biochemistry/Book%3A_Biochemistry_Free_and_Easy_(Ahern_and_Rajagopal)/02%3A_Energy/2.03%3A_Energy_Coupling
webAug 31, 2023 · The energy needed to drive reactions is harvested in very controlled conditions in the confines of an enzyme. This involves a process called ‘coupling’. In coupled reactions, an enzyme binds both a high energy molecule (usually ATP) and the other molecule(s) involved in the reaction.
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Reaction coupling to create glucose-6-phosphate - Khan Academy
https://www.khanacademy.org/science/ap-biology/cellular-energetics/cellular-energy/v/reaction-coupling-to-create-glucose-6-phosphate
webReaction coupling is a process in which two reactions are linked together, with one providing the energy needed for the other to occur. In coupled reactions, an energetically favorable reaction (exergonic) releases energy, which is then used to drive an energetically unfavorable reaction (endergonic).
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ATP: Adenosine triphosphate (video) | Khan Academy
https://www.khanacademy.org/science/biology/energy-and-enzymes/atp-reaction-coupling/v/adenosine-triphosphate
webAbout. Transcript. ATP, or Adenosine Triphosphate, is the energy currency in biological systems. It's made up of adenosine and three phosphate groups. Energy is stored when ATP is formed and released when it's broken down into ADP (Adenosine Diphosphate) and a phosphate group. This energy release powers various biological processes.
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6.9: ATP - Adenosine Triphosphate - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Book%3A_General_Biology_(Boundless)/06%3A_Metabolism/6.09%3A_ATP_-_Adenosine_Triphosphate
webenergy coupling: Energy coupling occurs when the energy produced by one reaction or system is used to drive another reaction or system. endergonic: Describing a reaction that absorbs (heat) energy from its environment. exergonic: Describing a reaction that releases energy (heat) into its environment.
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21.4 The ATP cycle – College Biology I
https://slcc.pressbooks.pub/collegebiology1/chapter/the-atp-cycle/
webThis depends on a strategy that scientists call energy coupling. Cells couple the exergonic reaction of ATP hydrolysis to whatever work needs to be done. One example of energy coupling using ATP is the sodium-potassium pump (Na + /K + pump), which drives sodium out of the cell and potassium into the cell.
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Coupled Reactions | Cell Biology | JoVE
https://www.jove.com/science-education/12172/coupled-reactions
webCells often couple the energy-releasing reaction with the energy-requiring one to carry out important cell functions. Energy in adenosine triphosphate or ATP molecules is easily accessible to do work. ATP powers the majority of energy-requiring cellular reactions. Cells couple the ATP hydrolysis' with endergonic reactions allowing them to proceed.
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Energy Coupling | SpringerLink
https://link.springer.com/chapter/10.1007/978-3-030-56164-2_10
webFeb 27, 2021 · The learning objectives of this chapter are to discuss: Bioenergetics, Energy coupling in biochemical cycles, Control of energy coupling, Energy metabolism, Energy expenditure. 10.1 Energy Coupling and Gibbs Free Energy. The Gibbs free energy of a system is related to the enthalpy and entropy. $$ G = H {-} TS $$ (10.1)
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5.1: Basics of Energy - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Biochemistry/Book%3A_Biochemistry_Free_For_All_(Ahern_Rajagopal_and_Tan)/05%3A_Energy/5.01%3A_Basics_of_Energy
webMar 21, 2024 · Energy Coupling. The synthesis of the many molecules needed by cells needs the input of energy to occur. Cells overcome this energy obstacle by using ATP to “drive” the reaction (Figure \(\PageIndex{6}\)). The energy needed to drive reactions is harvested in very controlled conditions in enzymes. This involves a process called …
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