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ATPATP& &
ADP ADP
Copyright Cmassengale
What Is ATP?What Is ATP?
Energy used by all Energy used by all CellsCells
Adenosine Adenosine TriphosphateTriphosphate
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Organic molecule containing Organic molecule containing
high-energy Phosphate high-energy Phosphate bondsbonds
ATP is a type of nucleic acid (like DNA and RNA).
What Is ATP?What Is ATP?
An ATP Molecule is composed An ATP Molecule is composed of the following:of the following:
A Nitrogenous Base – Adenine
A Sugar – RiboseThree phosphate groups
Chemical Structure of Chemical Structure of ATPATP
3 Phosphates
Ribose Sugar
Adenine Base
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Where does ATP come from?Where does ATP come from?
ATP comes indirectly from the food that we eat.
Molecules of carbohydrates (glucose) and lipids are broken down through the process of cellular respiration to produce ATP.
What Does ATP Do for What Does ATP Do for You?You?
It supplies YOU withIt supplies YOU with
ENERGY!ENERGY!
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How Do We Get Energy How Do We Get Energy From ATP?From ATP?
By breaking By breaking the high- the high- energy energy bonds bonds between between the the last two last two phosphates phosphates in ATPin ATP
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What is the Process What is the Process Called?Called?
HYDROLYSIS (Adding HHYDROLYSIS (Adding H22O)O)
H2O
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How Does That How Does That Happen?Happen?
An An Enzyme!Enzyme!
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How is ATP Re-Made?How is ATP Re-Made?
The reverse of the previous The reverse of the previous process occurs.process occurs.
Another Another Enzyme is Enzyme is used!used!ATP ATP SynthetaseSynthetase
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The ATP-ADP CycleThe ATP-ADP Cycle
ATP-ATP-asease
ATP ATP SynthetaSynthetasese
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When is ATP Made in When is ATP Made in the Body?the Body?
During a During a Process called Process called
Cellular Cellular RespirationRespiration
&&PhotosynthesisPhotosynthesis
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