Photosynthesis
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Photosynthesis PowerPoint PPT Presentation


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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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Photosynthesis

Photosynthesis


Photosynthesis1

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


Photosynthesis2

Photosynthesis

Reactants (needs to start)

Products (ends with)

Glucose (sugar; energy source; C6H12O6)

Oxygen (by-product; 6O2)

  • Sunlight (energy)

  • Water (6O2)

  • Carbon Dioxide (6CO2)


The chloroplast

The Chloroplast

  • Stroma- fluid space within the chloroplast

  • Thylakoid-sacs that contains the chlorophyll

  • Granum- stacks of thylakoids within the chloroplast


Photosynthesis in the chloroplast

Photosynthesis in the Chloroplast


What can affect the rate of photosynthesis

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


What can affect the rate of photosynthesis1

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


What can affect the rate of photosynthesis2

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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