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Mitochondria

Mitochondria. An introduciton. SOME FACTS…. Free floating in the cell’s cytoplasm Produce energy in the form of ATP (Adenosine Tri-Phosphate) used in Cellular Respiration Different cells call for different numbers in mitochondria. Why? Which types of cells?

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Mitochondria

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  1. Mitochondria An introduciton

  2. SOME FACTS… • Free floating in the cell’s cytoplasm • Produce energy in the form of ATP (Adenosine Tri-Phosphate) used in Cellular Respiration • Different cells call for different numbers in mitochondria. Why? Which types of cells? • Membrane bound organelle: All enzymes and substances needed for respiration all in one place (therefore more efficient) Mitochondria The cell’s POWERHOUSE Produce usable ENERGY for cell (cellular respiration)

  3. ________________ Structure • ___________ membranes • Size of bacteria cell • Outer Membrane controls the _________&_______ of materials for respiration • _____________– folds called _________ are the site of _____________ • Intermembrane Space • _________ – Fluid filled interior bound by the ___________________

  4. No… … Not this “Matrix” A different one – without Keanu Reeves and sunglasses

  5. Mitochondrion viewed from Electron Microscope Outer Membrane Inner Membrane Intermembrane Space Cristae Matrix

  6. Outer membrane • Controls the exit and entry of materials for respiration.

  7. Folded inner membraneCristae • Creates a large surface area for electron transport chain, • Therefore, allows increased respiration & increased energy release

  8. Chloroplasts! An introduciton

  9. SOME FACTS… • Free floating in SOME cell’s cytoplasm. Which cells? Why? • Site of photosynthesis to produce: Glucose and Oxygen • Relatively large • Found in green parts of plants • Need chlorophyll to function. Why? Chloroplasts Site of PHOTOSYNTHESIS OPPOSITE of respiration which takes place in mitochondria

  10. Important parts of ____________ • ________– Stacked membranes that contain_____________ • Large _____________ means more chlorophyll to capture _________ • Flattened disks called__________make up the Grana • (Think of “Granny’s Pancakes”)

  11. Important parts of Chloroplast • Stroma - liquid interior • Dark phase most substances need to dissolve before they react.

  12. What’s to come? Making model Mitochondria and Chloroplasts More detail once familiar with “structure” Learning Cellular Respiration and Photosynthesis

  13. Important parts of ____________ • ________– Stacked membranes that contain_____________ • Large _____________ means more chlorophyll to capture _________ • Flattened disks called__________make up the Grana • Stroma - ________________

  14. ________________ Structure • ___________ membranes • Size of bacteria cell • Outer Membrane controls the _________&_______ of materials for respiration • _____________– folds called _________ are the site of _____________ • Intermembrane Space • _________ – Fluid filled interior bound by the ___________________

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