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Transport photosyntheis respiration lab stations results

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  • 1. Transport/Photosynthesis/RespirationStations ResultsReview
  • 2. Photosynthesis Funnel Lab
  • 3. Photosynthesis Funnel Lab 1. Size of gas bubble can be measured to determine rate of photosynthesis. 2. Factors that can limit amount of photosynthesis are: Light, Water, Carbon Dioxide. 3. No sunlight, no photosynthesis, no Oxygen gas bubble. 4. Oxygen gas collected in test tube. 5. Increase light will increase photosynthesis.
  • 4. Cell Respiration LabTap Water Sugar Water
  • 5. Cell Respiration Lab 1. Sugar provides food (glucose) for the yeast. 2. Glycolysis in the cytoplasm, then aerobic respiration in the mitochondria. 3. Alcohol Fermentation 4. Balloon filled with Carbon Dioxide. Measure volume of balloon (Quantitative) Smell of Alcohol (Qualitative) 5. To compare the experimental group to determine results.
  • 6. Plant and AnimalInterrelationshipsBromo Plant Plant and Snail Snail
  • 7. Plant and AnimalInterrelationship All blue to start (bromothymol blue) Control is BB only Snail only turned clear/greenish Color change due to carbon dioxide released by snail (respiration) making carbonic acid indicated by BB. Plant photosynthesis, snail respiration No light, no photosynthesis, carbon dioxide build up = color change. Each takes in what the other releases!!!
  • 8. Osmosis in Elodea Leaves Hypotonic Hypertonic Distilled Water Salt Water
  • 9. Osmosis in Elodea Leaves Structure of leaf cell is boxy and green. Structure fits function because cells perform photosynthesis (green chlorophyll) and need lots of water (cell wall keeps cell from bursting – cytolysis) Cells in salt water lost water, cell membrane shrinks away from cell wall. Salt water is hypertonic, water moved out. Hypotonic best for plant cells – water moves in.
  • 10. Passive Transport Review 1. Osmosis is the diffusion of water. 2. Molecules move from High Con. To low concentration – into the cell! 3. Fresh water is Hypotonic. 4. Blood cells bursts (cytolysis) Hypotonic 5. Molecules continue to move in and out at the same pace at equilibrium. 6. Water moves out of cells due to osmosis reducing turgor pressure resulting in plasmolysis.
  • 11. Passive Transport Review Appearance of Blood Cells
  • 12. Critical Thinking A. Solution in Hyptertonic, Solutes move into cell , Water moves out of cell B. Solution is Hyptonic, solutes move out of cell, water moves into cell. C. Solution is Isotonic, solutes and water move in and out equally
  • 13. Critical Thinking 1. A. 0.9% is isotonic, 0.7% is hypotonic, cell will swell and burst (cytolysis) B. 10% is Hypertonic, cell will shrink. 2. Cell wall keeps plant cells from bursting. 3. Cells suffer plasmolysis (water leaves) 4. Solutes are equal inside and outside cell 5. Molecules continue to move at equal pace in and out of cells. 6. Pressure water exerts against the cell wall.