Photosynthesis and respiration

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Photosynthesis and respiration

  1. 1. Photosynthesis vs. Cellular Respiration Presented By: Mrs. Nelson
  2. 2. Photosynthesis  Certain organisms can generate their own food = glucose  Autotrophic organisms  Specialized cells – plants, some bacteria, and some protists  Chloroplast (organelle)  Chlorophyll (chemical)
  3. 3. Process of Photosynthesis Reactants 1. Carbon Dioxide 2. Water 3. Sunlight Products 1. Glucose 2. Oxygen
  4. 4. Cellular Respiration  Both heterotrophic and autotrophic organisms  Plants and Animals  Mitochondria  Use of oxygen and carbohydrates to create energy (ATP)
  5. 5. Process of Cellular Respiration Reactants 1. Glucose 2. Oxygen Glucose + Oxygen  Carbon Dioxide + Water + ATP (energy) Products 1. Carbon Dioxide 2. Water 3. ATP (energy)
  6. 6. Contrast Photosynthesis/Cellular Respiration  Photosynthesis: (chloroplast- plants only) 6CO2 + 6H2O + light  C6H12O6 + 6O2  Cellular Respiration: (mitochondria- plants/animals) C6H12O6 + 6O2  6CO2 + 6H2O + ATP
  7. 7. Heterotrophic vs. Autotrophic  Cells that don’t have chlorophyll, cannot make their own food (heterotrophic).  Heterotrophs and autotrophs are dependent on each other. How?

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