Biology I: Energy, Metabolism, and ATP
Agenda – Mon. Oct. 10, 2011 Warm-Up (5 min): Lesson (15 min): Wrap-Up (10 min): Finish Projects/Missing Quizzes (20 min):
Today’s Objectives <ul><li>I will define:  energy ,  thermodynamics ,  metabolism ,  photosynthesis ,  cellular respiratio...
Warm-Up <ul><li>Does available energy decrease or increase as you go up an energy pyramid? </li></ul><ul><li>Make a simple...
<ul><li>Energy  is the  ability to do work. </li></ul>How Do Organisms Obtain Energy? Cellular Energy <ul><li>Thermodynami...
Laws of Thermodynamics <ul><li>First law — energy cannot be created nor destroyed. </li></ul><ul><ul><li>Derived from the ...
Metabolism  –  all of the chemical reactions in a cell How Do Organisms Obtain Energy? Cellular Energy <ul><li>Photosynthe...
ATP: The Unit of Cellular Energy How Do Organisms Obtain Energy? Cellular Energy Chapter 8
ATP: The Unit of Cellular Energy <ul><li>ATP  releases energy when the  bond between the second and third phosphate groups...
Wrap-Up
<ul><li>Energy cannot be converted or destroyed. </li></ul><ul><li>Energy can be converted and destroyed. </li></ul><ul><l...
Which law of thermodynamics explains  why the ladybug receives the least amount  of usable energy? Cellular Energy Wrap-Up...
<ul><li>the first law of thermodynamics </li></ul><ul><li>the second law of thermodynamics </li></ul>Cellular Energy Wrap-...
True or False All of the energy from the food you eat  comes from the sun. Cellular Energy Wrap-Up (Oct. 10) Chapter 8
<ul><li>It captures light energy from the sun. </li></ul><ul><li>It is produced in anabolic pathways. </li></ul><ul><li>It...
Look at the following figure. Which molecule is  released when ATP becomes ADP? Cellular Energy <ul><li>phosphate group </...
 
Agenda – Thurs. Oct. 13, 2011 Warm-Up (5 min): Finish up all Missing Assignments!!  No new material will be covered until ...
Today’s Objectives <ul><li>I will define:  energy ,  thermodynamics ,  metabolism ,  photosynthesis ,  cellular respiratio...
Warm-Up <ul><li>Which law of thermodynamics is related to the energy pyramid? </li></ul><ul><li>How is ATP used to create ...
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Week 9 energy, metabolism, and atp (oct 10-13)

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Week 9 energy, metabolism, and atp (oct 10-13)

  1. 2. Biology I: Energy, Metabolism, and ATP
  2. 3. Agenda – Mon. Oct. 10, 2011 Warm-Up (5 min): Lesson (15 min): Wrap-Up (10 min): Finish Projects/Missing Quizzes (20 min):
  3. 4. Today’s Objectives <ul><li>I will define: energy , thermodynamics , metabolism , photosynthesis , cellular respiration , and adenosine triphosphate (ATP) . </li></ul><ul><li>I will articulate the first and second laws of thermodynamics. </li></ul><ul><li>I will classify two types of metabolism. </li></ul>
  4. 5. Warm-Up <ul><li>Does available energy decrease or increase as you go up an energy pyramid? </li></ul><ul><li>Make a simple food chain using only words. </li></ul><ul><li>Label your organisms as producer, primary consumer, secondary consumer, tertiary consumer, or decomposer. </li></ul>
  5. 6. <ul><li>Energy is the ability to do work. </li></ul>How Do Organisms Obtain Energy? Cellular Energy <ul><li>Thermodynamics is the study of the flow and transformation of energy in the universe. </li></ul>Chapter 8
  6. 7. Laws of Thermodynamics <ul><li>First law — energy cannot be created nor destroyed. </li></ul><ul><ul><li>Derived from the law of conservation of energy . </li></ul></ul>How Do Organisms Obtain Energy? Cellular Energy <ul><li>Second law — energy cannot be converted without the loss of usable energy. </li></ul><ul><ul><li>Example: When consumers convert chemical energy into kinetic energy, some energy is loss as heat to the environment but NOT destroyed. </li></ul></ul>Chapter 8
  7. 8. Metabolism – all of the chemical reactions in a cell How Do Organisms Obtain Energy? Cellular Energy <ul><li>Photosynthesis — light energy from the Sun is converted to chemical energy for use by the cell </li></ul><ul><li>Cellular respiration — organic molecules are broken down to release energy for use by the cell </li></ul>Chapter 8
  8. 9. ATP: The Unit of Cellular Energy How Do Organisms Obtain Energy? Cellular Energy Chapter 8
  9. 10. ATP: The Unit of Cellular Energy <ul><li>ATP releases energy when the bond between the second and third phosphate groups is broken , forming a molecule called adenosine diphosphate (ADP) and a free phosphate group. </li></ul>How Do Organisms Obtain Energy? Cellular Energy Chapter 8
  10. 11. Wrap-Up
  11. 12. <ul><li>Energy cannot be converted or destroyed. </li></ul><ul><li>Energy can be converted and destroyed. </li></ul><ul><li>Energy can be converted but not destroyed. </li></ul><ul><li>Energy can be destroyed but not converted. </li></ul>Which statement describes the law of conservation of energy? Cellular Energy Wrap-Up (Oct. 10) Chapter 8
  12. 13. Which law of thermodynamics explains why the ladybug receives the least amount of usable energy? Cellular Energy Wrap-Up (Oct. 10) Chapter 8
  13. 14. <ul><li>the first law of thermodynamics </li></ul><ul><li>the second law of thermodynamics </li></ul>Cellular Energy Wrap-Up (Oct. 10) Chapter 8
  14. 15. True or False All of the energy from the food you eat comes from the sun. Cellular Energy Wrap-Up (Oct. 10) Chapter 8
  15. 16. <ul><li>It captures light energy from the sun. </li></ul><ul><li>It is produced in anabolic pathways. </li></ul><ul><li>It stores and releases chemical energy. </li></ul>Why is adenosine triphosphate (ATP) such an important biological molecule? Cellular Energy Wrap-Up (Oct. 10) Chapter 8 <ul><li>It converts mechanical energy to thermal </li></ul>energy.
  16. 17. Look at the following figure. Which molecule is released when ATP becomes ADP? Cellular Energy <ul><li>phosphate group </li></ul><ul><li>water molecule </li></ul><ul><li>ribose sugar </li></ul><ul><li>energy cells </li></ul>Wrap-Up (Oct. 10) Chapter 8
  17. 19. Agenda – Thurs. Oct. 13, 2011 Warm-Up (5 min): Finish up all Missing Assignments!! No new material will be covered until after fall break!! Those who don’t have missing work MAY WORK ON A PLUS ASSIGNMENTS ONLY.
  18. 20. Today’s Objectives <ul><li>I will define: energy , thermodynamics , metabolism , photosynthesis , cellular respiration , and adenosine triphosphate (ATP) . </li></ul><ul><li>I will articulate the first and second laws of thermodynamics. </li></ul><ul><li>I will classify two types of metabolism. </li></ul>
  19. 21. Warm-Up <ul><li>Which law of thermodynamics is related to the energy pyramid? </li></ul><ul><li>How is ATP used to create energy? </li></ul><ul><li>The ability to do work is ____________. </li></ul>
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