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PHOTOSYNTHESIS and CELLULAR RESPIRATION

http://www.youtube.com/watch?v= 6GAxVSMwVYg yellowstone. PHOTOSYNTHESIS and CELLULAR RESPIRATION. Std. 1f. And 1g. . What if this really happens…?. An enormous volcanic eruption sends huge quantities of dust and ash into the atmosphere.

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PHOTOSYNTHESIS and CELLULAR RESPIRATION

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  1. http://www.youtube.com/watch?v=6GAxVSMwVYgyellowstone PHOTOSYNTHESIS and CELLULAR RESPIRATION Std. 1f. And 1g.

  2. What if this really happens…? An enormous volcanic eruption sends huge quantities of dust and ash into the atmosphere. On your sticky note, describe how this event will affect one of the following: 1. Plant life on Earth 2. Animal life on Earth 3. Human societies on Earth

  3. http://www.teachersdomain.org/asset/tdc02_vid_photosynth/ PHOTOSYNTHESIS TODAY’S DATE:

  4. PHOTOSYNTHESIS • Process that uses the sun’s energy to make glucose (a simple sugar) • Carried out by green plants and some bacteria

  5. PLANT CELL • Yes cell wall • Yes chloroplasts • Larger vacuole • ANIMAL CELL • No Cell wall • No chloroplasts • Smaller vacuole

  6. Photosynthesis takes place in an organelle called a CHLOROPLAST http://www.dailymotion.com/video/x4mtsz_zoom-into-a-leaf_tech

  7. Structure of a chloroplast: • Inner and outer membrane – surround the chloroplast • Stroma- the space inside • Thylakoids- sac-like membranes (like coins) where light-collecting takes place (think “thyla-coins”) • Granum- a stack of thylakoids • Chlorophyll- the main pigment in plants that captures sunlight

  8. Which molecule in plant cells first captures the radiant energy from sunlight 1. Glucose 2. Carbon dioxide 3. Chlorophyll 4. Adenosine triphosphate

  9. Photosynthesis has 2 stages: • 1. Light- Dependent Reactions • Happen in the thylakoids • Light and water enter the thylakoids • Photosystems move high-energy electrons through the membrane • Oxygen is produced • Also- • ADP is turned into ATP • NADP+ is turned into NADPH

  10. J-TPS C 1. What is ATP? 2. Where do you get ATP? 3. What do your cells use it for? http://www.dnatube.com/video/5913/Light-Dependent-Reactions-during-photosyhnthesis

  11. 2. Calvin Cycle (Light-Independent Reactions) • Happens in the stroma • Carbon dioxide enters stroma • ATP and NADPH help to make glucose/sugars

  12. The Overall Equation for Photosynthesis: Light energy + Carbon Dioxide + Water Sugars + Oxygen Light Energy + 6 CO2+ 6 H2O  C6H12O6 + 6O2

  13. Compare and Contrast Photosynthesis and Cellular Respiration

  14. What is the equation for Cellular Respiration? Glucose + Oxygen => Carbon Dioxide + water INOUT

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