Download - cells
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cells
Photosynthesis vs. cellular respiration
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Cellular respiration
• http://player.discoveryeducation.com/index.cfm?guidAssetId=00C84BA9-59D9-40C6-94A3-CCCD57F43263&blnFromSearch=1&productcode=US 1:32
• BrainPOP http://www.brainpop.com/science/cellularlifeandgenetics/cellularrespiration/preview.weml
•
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photosynthesis
• http://player.discoveryeducation.com/index.cfm?guidAssetId=00C84BA9-59D9-40C6-94A3-CCCD57F43263&blnFromSearch=1&productcode=US 2:01
• BrainPOP http://www.brainpop.com/science/cellularlifeandgenetics/photosynthesis/preview.weml
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Energy and the Cell
The World of CellsThe World of Cells
11
• Cells, except bacteria, have organelles called mitochondria (mi tuh KAHN dree uh).
• An important process called cellular respiration takes place inside a mitochondrion.
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Energy and the Cell
The World of CellsThe World of Cells
11
• Cellular respiration is a series of chemical reactions in which energy stored in food is converted to a form of energy that the cell can use.
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Energy and the Cell
The World of CellsThe World of Cells
11
• This energy is released as food and oxygen combine.
• Waste products of this process are carbon dioxide and water.
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Nature's Solar Energy Factories
The World of CellsThe World of Cells
11
• Animals obtain food from their surroundings.
• Plants, algae, and many types of bacteria make food through a process called photosynthesis (foh toh SIHN thuh sus).
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Nature's Solar Energy Factories
The World of CellsThe World of Cells
11
• Most photosynthesis in plants occurs in leaf cells.
• Inside these cells are green organelles called chloroplasts (KLOR uh plats).
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Nature's Solar Energy Factories
The World of CellsThe World of Cells
11
• During plant photosynthesis chloroplasts capture light energy and combine carbon dioxide from the air with water to make food.
• As the plant needs energy, its mitochondria release the food's energy.
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Read the article “Photosynthesis and cellular respiration” http://www.buzzle.com/articles/photosynthesis-and-cellular-respiration.html
and read textbook p. 480-481• Students will categorize information about both
processes using cutout info and blank title papers• After they are checked for correctness, they will record
info on notes
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Read the article “Photosynthesis and cellular respiration” http://www.buzzle.com/articles/photosynthesis-and-cellular-respiration.html
and read textbook p. 480-481• Compare
Photosynthesis only Cellular respiration only
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Photosynthesis only Cellular respiration
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11Section CheckSection Check
Question 3
Where is food energy changed into a form of energy that a cell can use?
A. chloroplastB. nucleusC. mitochondrionD. vacuole
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11Section CheckSection CheckSection CheckSection Check
Answer
The correct answer is C. Mitochondria are bean-shaped organelles.