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Photosynthesis

Photosynthesis. Photosynthesis. Purpose: To convert use light into a useable form of energy (glucose) Occurs where in the cell: Chloroplast Types of Organisms: Autotrophic; plants, protist , bacteria Requirements:

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Photosynthesis

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  1. Photosynthesis

  2. Photosynthesis • Purpose: • To convert use light into a useable form of energy (glucose) • Occurs where in the cell: • Chloroplast • Types of Organisms: • Autotrophic; plants, protist, bacteria • Requirements: • Water, sunlight, chlorophyll (green pigment that catches light), Carbon dioxide

  3. Photosynthesis Reactants (needs to start) Products (ends with) Glucose (sugar; energy source; C6H12O6) Oxygen (by-product; 6O2) • Sunlight (energy) • Water (6O2) • Carbon Dioxide (6CO2)

  4. The Chloroplast • Stroma- fluid space within the chloroplast • Thylakoid-sacs that contains the chlorophyll • Granum- stacks of thylakoids within the chloroplast

  5. Photosynthesis in the Chloroplast

  6. What can affect the rate of Photosynthesis? • Amount of Water • Too little can slow or stop it • Some plants have waxy coatings to reduce water loss

  7. What can affect the rate of Photosynthesis? • Temperature • Enzymes work best between 0 and 35C • Too high or too low will slow or stop photosynthesis Rate of Photosynthesis Temperature

  8. What can affect the rate of Photosynthesis? • Light Intensity • Greater intensity increases rate of photosynthesis • Will level off at some point (when max level has been reached) Rate of Photosynthesis Light Intensity

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