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Term 4 3

Energy Transformations - Introduction, ATP and ADP

QuestionAnswer
What does ATP stand for? Adenosine Triosphate
What is ATP? A compound that contains adenine, ribose and 3 phosphate molecules.
Where is most ATP produced? In the mitochondria
When is energy released in the ATP? (hint: 3rd) when the 3rd phosphate
What can this energy be used for? This energy can be used for Anabolic Reactions
How does ATP energy compare with ADP energy? ATP produces much higher energy than ADP energy.
What does ADP stand for? Adenosine Diphosphate
What is ADP? A compound that contains adenine, ribose and 2 phosphate molecules
When is ADP produced? When ATP releases one of its phosphate molecules.
How does ADP energy compare with ATP energy ADP produces far less energy than ATP
ADP/ATP cycle ........ store .......... as ....... ATP is made by ............. a ................ molecule to ....... Cells store energy as ATP. ATP is made by adding a phosphate molecule to ADP
2.How is this phosphate molecule added to the ADP? Energy from the breakdown of molecules is used to add a phosphate to ADP.
3. How does ATP release energy. By breaking the high energy chemical bond of the last phosphate.
4. How is the reaction sped up. The reaction is sped up by the enzyme ATPase
5. What is the remaining molecule called and how many phosphates does it have. The remaining molecule has 2 phosphates and is called ADP.
6. ....... can be ............. to form ........ and then be ......... ......... ADP can be reused to form ATP and then be used again.
7.What happens to the 'free' energy obtained from a breakdown? It can also be used to add a phosphate to ADP to convert it to ATP.
Created by: zarap103
 

 



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