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Energy in the body is formed when ATP is broken down into ADP. This reaction is therefore exothermic. Thus, the reverse reaction is going to be endothermic because energy is required in order to attach the phosphate to the ADP.
ATP and ADP are similar in the sense that they are both molecules that release energy to the cells. ADP differs from ATP because it has one less phosphate group. ADP forms after ATP has released energy.
ATP ---> ADP + Pi + Energy it's a coupled reaction THIS ANSWER IS WRONG - IT IS BACKWARDS! IF YOU MAKE THE ARROW GO IN THE OPPOSITE DIRECTION, IT WOULD BE CORRECT.
ATP and ADP are not considered fuels. The fuels that are utilized in order to produce ATP and ADP usually come from the food that people eat.
Ribose is the sugar found in both ATP and ADP.
making ATP is endergonic. This is because after ATP hydrolysis to form ADP + P, we now are at a lower energy state and for ATP to be formed again it has to be fueled by catabolic pathways, eg respiration. this energy input allows ATP to be formed and thus we see that phosphorylation of ADP requires energy input (endergonic) to form ATP. Converting ATP into ADP and P itself is EXERGONIC.
When ATP divides into ADP and Pi ( inorganic phosphate) energy is released. This energy is used by the cell to do work and produce heat. And the reverse reaction occurs by using the energy obtained from food. Thus the above reaction acts as a link reaction which links the catabolic and anabolic pathways.
ADP reduces when involved in a catabolic reaction and gains an extra phosphate group, becoming ATP (three phosphates), a molecule with more chemical energy stored than ADP (two phosphates).
Actually, there are 3 pathways for creating ATP for muscle contraction. 1) Direct phosphorylation of ADP by creatine phosphate, 2) aerobic respiration and 3) anaerobic glycolysis & lactic acid formation.
Energy in the body is formed when ATP is broken down into ADP. This reaction is therefore exothermic. Thus, the reverse reaction is going to be endothermic because energy is required in order to attach the phosphate to the ADP.
ATP and ADP are similar in the sense that they are both molecules that release energy to the cells. ADP differs from ATP because it has one less phosphate group. ADP forms after ATP has released energy.
ATP ---> ADP + Pi + Energy it's a coupled reaction THIS ANSWER IS WRONG - IT IS BACKWARDS! IF YOU MAKE THE ARROW GO IN THE OPPOSITE DIRECTION, IT WOULD BE CORRECT.
ADP is exactly the same as ATP except that ATP has one more phosphate group. (ATP=Adenosine Triphosphate, ADP=Adenosine Diphosphate) This means that adding a phosphate group to ADP would make it ATP simply by definition.
The main function of enzymes in catabolic and anabolic reactions is to speed up the reactions and are therefore regarded as catalysts. Catabolic refers to break down of molecules while anabolic refers to build up of molecules.
No ADP is not an enzyme
Phosphorylation is the addition of a phosphate to ADP to form ATP. ADP + P = ATP Dephosphorylation is the removal of a phosphate from ATP to form ADP. ATP - P = ADP
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