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ATP ATP & & ADP ADP Copyright Cmassengale

ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

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Page 1: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

ATPATP& &

ADP ADP

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Page 2: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

What Is ATP?What Is ATP?

Energy used by all Energy used by all CellsCells

Adenosine Adenosine TriphosphateTriphosphate

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Page 3: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

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?

Page 4: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

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

Page 5: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

Chemical Structure of Chemical Structure of ATPATP

3 Phosphates

Ribose Sugar

Adenine Base

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Page 6: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

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.

Page 7: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

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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Page 8: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

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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Page 9: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

What is the Process What is the Process Called?Called?

HYDROLYSIS (Adding HHYDROLYSIS (Adding H22O)O)

H2O

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Page 10: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

How Does That How Does That Happen?Happen?

An An Enzyme!Enzyme!

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Page 11: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

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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Page 12: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

The ATP-ADP CycleThe ATP-ADP Cycle

ATP-ATP-asease

ATP ATP SynthetaSynthetasese

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Page 13: ATP & ADP Copyright Cmassengale. What Is ATP? Energy used by all Cells Adenosine Triphosphate Copyright Cmassengale

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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