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Chapter 5 Photosynthesis & Cellular Respiration

Chapter 5 Photosynthesis & Cellular Respiration. Energy & Living Systems Must Knows. Analyze the flow of ENERGY through living systems. P _____ Compare & Contrast AUTOTROPHS and HETEROTROPHS. P_____ Describe the role of ATP in living organisms P____

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Chapter 5 Photosynthesis & Cellular Respiration

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  1. Chapter 5 Photosynthesis & Cellular Respiration

  2. Energy & Living Systems Must Knows • Analyze the flow of ENERGY through living systems. • P _____ • Compare & Contrast AUTOTROPHS and HETEROTROPHS. • P_____ • Describe the role of ATP in living organisms • P____ • Explain how ENERGY is released from ATP • P____

  3. Energy in Living Systems • List as MANY forms of ENERGY as you can!

  4. Flow of Energy Through a System • Do you recall METABOLISM???? • Metabolism is the sum of ALL chemical processes in an organism! • Organisms are classified in two categories. • They create their OWN energy • They have to EAT to gain energy

  5. Autotrophs & Heterotrophs • Autotrophs • Create their OWN energy • Most create energy from sunlight, some can create energy from INORGANIC chemicals • Heterotrophs • Have to EAT to get their energy • Must create energy through CELLULAR RESPIRATION

  6. What is ATP? How does it work? • ATP is energy for the cell • It is created from GLUCOSE

  7. ATP • ATP releases energy by breaking a phosphate group and becoming ADP.

  8. Photosynthesis Must Knows • Explain how energy is captured and released from the sun. • P _____ • Explain the function of an ELECTRON TRANSPORT CHAIN. • P_____ • Explain how NRG is produced through the CALVIN CYCLE. • P____ • Identify THREE factors that affect PHOTOSYNTHESIS • P____

  9. Question for Thought? • Why do leaves change colors?

  10. Photosynthesis

  11. Chloroplast p 99

  12. Chloroplast • Photosynthesis takes place in the CHLOROPLAST of plants • Inside the CHLOROPLAST are THYLAKOIDS • THYLAKOIDS is where ENERGY is captured

  13. Photosynthesis • Photosynthesis occurs in THREE stages Stage 1 – NRG captured from sunlight Stage 2 – Light NRG is converted to Chemical NRG LIGHT Dependant Stage 3 – Chemical NRG is used to create organic compounds LIGHT Independant

  14. Stage 1 – NRG from Sun • Pigments are substances that absorb light. Pigments absorb some colors and reflect all others. You see the color that is REFLECTED

  15. Stage 2 Electron Transport Chains - ETC • Electron Transport Chains are used to convert Light to Chemical NRG

  16. Stage 3 – Calvin Cycle – Light Independent CO2 Enters the Cycle Energy Input ChloropIast 5-Carbon Molecules Regenerated 6-Carbon Sugar Produced Sugars and other compounds

  17. Chemical Equation for Photosynthesis 6CO2 + 6H2O + Energy = C6H12O6 + 6O2 Does this look familiar?

  18. Energy & Living Systems Must Knows • Summerize how ATP is created from GLUCOSE. • P _____ • Explain the role of FERMENTATION. • P_____ • Describe the role of OXYGEN in AEROBIC RESPIRATION • P____

  19. Opener p ___ • Describe the function of Cellular Respiration. • Anaerobic vs. Aerobic? • Describe the function of Photosynthesis. • How could the two work together???

  20. Poster Assessment – Cell Respiration & Photosynthesis Photosynthesis (3 Parts) 1-Sunlight 2-Chemical 3-Carbohydrates & O2 Cellular Respiration 4-Glycolosis 5-Anaerobic - Lactic Acid 6-Aerobic – Krebs Cycle, 36 ATP CO2

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