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Warm-up: Dec. 6, 2010

Warm-up: Dec. 6, 2010. Explain the three parts of the cell theory in your own words. Activator : Cells in Action. Cells. Cellular Respiration, Photosynthesis, and Fermentation. Eq - Why do we need to know about cells?. TWL

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Warm-up: Dec. 6, 2010

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  1. Warm-up: Dec. 6, 2010 Explain the three parts of the cell theory in your own words.

  2. Activator: Cells in Action

  3. Cells Cellular Respiration, Photosynthesis, and Fermentation

  4. Eq - Why do we need to know about cells? TWL Today I will learn about respiration and photosynthesis because I need to understand how cells are able to sustain themselves.

  5. Chapter 4 Objectives • Describe Photosynthesis and cellular respiration. • Compare cellular respiration with fermentation.

  6. Photosynthesis The process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to make food.

  7. Photosynthesis • Plant cells have molecules that absorb light energy. • These molecules are called pigments. • Chlorophyll, the main pigment used in photosynthesis, gives plants their green color.

  8. Cell Energy Chapter 4 6CO2 + 6H2O + light energy  C6H12O6 + 6O2 Photosynthesis

  9. Cell Energy • Cellular Respiration: • During cellular respiration, food (such as glucose) is broken down into carbon dioxide and water, and energy is released.

  10. Cellular Respiration • Connection Between Photosynthesis and Respiration • During photosynthesis, cells take in carbon dioxide and release oxygen. During cellular respiration, cells use oxygen to break down glucose and release energy and carbon dioxide.

  11. Fermentation • When muscles can’t get the oxygen for cellular respiration, they use fermentation to get energy. Fermentation is the breakdown of food without the use of oxygen.

  12. Check For Understanding: • Plants and animals capture their energy from the sun. • Cellular Respiration describes how a cell breathes. • Fermentation in animals produces ATP and lactic acid.

  13. Closing: • .

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