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Chapter 9 Section 1

Chapter 9 Section 1. ATP in a Molecule. Cell Energy. Energy is essential to life What are some things that you do that require energy? What are some things that cells do that require energy?. ATP.

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Chapter 9 Section 1

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  1. Chapter 9 Section 1 • ATP in a Molecule

  2. Cell Energy • Energy is essential to life • What are some things that you do that require energy? • What are some things that cells do that require energy?

  3. ATP • Adenosine triphosphate- energy storing molecule in cells composed of an adenosine molecule, a ribose sugar, and 3 phosphate groups; energy is stored in the molecule’s chemical bonds and can be used quickly by the cell

  4. ADP • Adenosine diphosphate- molecule formed from the breaking off of a phosphate group for ATP; results in large release of energy that is used for biological reactions. • Phosphate- charged, requires energy to bond to other phosphates • Releases energy when released

  5. Cell Recycles Energy • Formation/Breaking bonds relieves the cell from having to store all the ATP it needs for energy • Some functions can use ADP

  6. How does this work? • What catches the energy? • What is the energy used for? • What makes the ATP release the phosphate?

  7. Proteins make it happen • Proteins catch the energy • binding sites where the ATP binds • Breaks the bond • Energy Releases • The cell can make new proteins, or transport molecules in and out of the cell

  8. What cells use the Energy for • Making New Molecules • Making Enzymes • Homeostasis • Eliminate Waste

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