CELLULAR RESPIRATION. Review Photosynthesis Autotrophs convert light energy into chemical energy CO...
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Transcript of CELLULAR RESPIRATION. Review Photosynthesis Autotrophs convert light energy into chemical energy CO...
![Page 1: CELLULAR RESPIRATION. Review Photosynthesis Autotrophs convert light energy into chemical energy CO 2 + H 2 O + light energy C 6 H 12 O 6 + O 2.](https://reader035.fdocuments.net/reader035/viewer/2022062804/56649efb5503460f94c0e24c/html5/thumbnails/1.jpg)
CELLULAR RESPIRATION
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Review Photosynthesis
Autotrophs convert light energy into chemical energy• CO2 + H2O + light energy C6H12O6 + O2
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How do we get energy?• From eating….unless you are a plant, right?• Not so fast…• Glucose (and other macromolecules) is not usable energy
for cells• Glucose must be converted to usable energy (ATP)
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ATP
• Adenosine triphosphate• Molecule that is usable energy for cells• Energy is found in bonds between phosphate groups
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Cellular Respiration
Process that converts glucose energy into ATP energy• Occurs in ALL living cells
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Cellular Respiration Basics
Chemical process which occurs in the Mitochondria
C6H12O6 + O2 CO2 + H2O + ATP
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Types of Cellular Respiration• Type 1: Aerobic Respiration
• Requires O2
• Type 2: Anaerobic Respiration• Does not require O2
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Energy summary of Aerobic C.R.• Glycolysis: Start with Chemical Energy (Glucose)• Kreb’s Cycle: Convert to Usable Chemical Energy (many
ATP)• Electron Transport Chain: Make ATP and release Heat
Energy
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Anaerobic Respiration• Much less efficient at converting
glucose to ATP• Occurs in 2 steps:
1. Glycolysis
2. Lactic Acid Fermentation (animals)
OR
Alcoholic Fermentation (plants)
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Lactic Acid Fermentation• Animals
• Some bacteria, some fungus
• Lactic acid is produced• Why muscles are sore after a hard workout
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Alcohol Fermentation• Plants
• Some bacteria, some fungus
• Ethanol, CO2 produced• How yeast makes bread rise• How alcoholic beverages are produced
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Fermentation is useful
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Audio/visual representations• Animation:
• http://www.sumanasinc.com/webcontent/animations/content/cellularrespiration.html
• Rap:• http://www.youtube.com/watch?v=VCpNk92uswY