Chapter 8 Energy From Sunlight.

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Presentation transcript:

Chapter 8 Energy From Sunlight

Photosynthesis / Cellular Respiration Recycle a common set of chemicals: Water Carbon Dioxide Oxygen Glucose (Organic Compounds)

The Energy in Food ATP – Adenosine Triphosphate main energy supply for cells

ATP can be recycled; Requires energy ATP Cycle ATP can be recycled; Requires energy

Visible Light (White Light) ROYGBIV

Photosynthesis The process by which plants and other producers convert the energy of sunlight into the energy stored in organic molecules (sugars).

Chloroplast The organelle where photosynthesis takes place

Chloroplast Stroma – thick fluid enclosed by inner membrane Thylakoids – disk shaped sacs in stroma

Photosynthesis

Photosynthesis Two Main Stage Stage I Light Reaction (Thylakoid) IN: Light, Water OUT: Oxygen, ATP (energy), NADPH (electron carrier)

Photosynthesis Stage II The Calvin Cycle (Stroma) IN: CO2, ATP and NADPH (both from the light reaction) OUT: SUGAR!!!!