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Cellular Energy

Cellular Energy. I. Energy for Living Things. Organisms need energy to live Energy is the ability to do work. II. Energy Storing Molecules. a. ATP and NADPH. Adenosine Triphosphate (ATP). A. ATP is made of ribose sugar, adenine, and three phosphate groups. adenine. ribose.

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Cellular Energy

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  1. Cellular Energy

  2. I. Energy for Living Things • Organisms need energy to live • Energy is the ability to do work

  3. II. Energy Storing Molecules a. ATP and NADPH

  4. Adenosine Triphosphate (ATP)

  5. A. ATP is made of ribose sugar, adenine, and three phosphate groups. adenine ribose phosphates

  6. B. Organisms use ATP to temporarily store chemical energy.

  7. C. ATP is replenished by eating food.

  8. D. Energy is stored in bonds adenine ribose high energy bonds

  9. E. Energy is released when a bond is broken adenine ribose And… adenosine diphosphate is produced (ADP)

  10. IV. All energy on Earth comes from the Sun

  11. A. Visible Light Waves • ROY G BIV

  12. B. Chlorophyll- a pigment that absorbs violet, blue, and red light (inside chloroplasts).

  13. ` • Autotroph- “self” Feeder (ex- plants) • Heterotroph- Consumes other plants and animals (ex- animal)

  14. I. Chloroplasts • Chloroplasts: in leaves of plants- have chlorophyll

  15. C Parts of the chloroplast 1. Stroma –fluid/space inside each chloroplast

  16. 2. Grana – stacks of Thylakoid sacs 3. Thylakoids –sacs which contain chlorophyll, site of photosynthesis

  17. Thylakoids Grana Stroma

  18. D. Why are leaves green? Because chlorophyll

  19. V. Photosynthesis Photo – Light Synthesis – Putting together “making things with light”

  20. D. Chloroplasts capture light energy and build carbohydrates (food) from raw materials. Solar energy to chemical energy

  21. E. Photosynthesis equation 6CO2 + 6H2O C6H12O6 + 6O2 Light energy

  22. VI. Light Reaction 1. Light energy from the sun hits chlorophyll molecules 2. ATP and NADPH is formed 3. Used H₂O and produces O₂

  23. 4. ATP and NADPH are used as energy for the dark reaction

  24. VI. Dark Reaction or Calvin Cycle • The second part of photosynthesis • doesn’t need light energy to occur

  25. VI. Calvin Cycle/ Dark Cycle 3. Carbon dioxide (from the air) and ATP and NADPH from the light reaction are used to make carbohydrates (food). FOOD

  26. Cellular Respiration A. Cellular Respiration takes sugar from photosynthesis and uses oxygen to make energy(ATP) for the body. B. Photosynthesis and respiration are complementary processes

  27. Cellular Respiration C. Overall Reaction C6H12O6 + 6O2 6CO 2 + 6H2O + Energy Energy = the ability to do work

  28. D. Cellular Respiration occurs in all living organisms (including plants and animals)

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