Photosynthesis & Cellular Respiration
Storyboard Text
- Photosynthesis
- Photosynthesis
- Intermission
- The autotrophs chloroplasts absorb the sunlights photons and stores it to use it with water from the ground and carbon dioxide from the atmosphere. The light and water produce oxygen, they also with the help of CO2, produce glucose.
- Cellular Respiration
- The oxygen produced is released with some oxygen being kept inside for later respiration when there is no sunlight to continue photosynthesis. The glucose is turned into starch and becomes stored food in other parts of the plant.
- Cellular Respiration
- This little piggy has ate the flower that has done all this hard work. Took its released oxygen and stored glucose. Now it's time for the piggy to do some work.
- Cellular Respiration
- The piggy now has glucose and oxygen in him. He will now be starting cellular respiration. The glucose will go through glycolysis which happens in the cytoplasm of the cells. After that the split glucose molecule will become into two pyruvate molecules.
- These pyruvate molecules will be taken to the mitochondria of the cell. The pyruvate molecules will be broken down by an enzyme lose a carbon atom (turns into CO2) and turn into Acetyl-CoA. The Acetyl-CoA enters the Krebs Cycle by bonding with the oxaloatecic acid which forms citric acid.
- The citric acid will go through many chemical changes by enzymes. During these changes with the citric acid many electrons will be released. These electrons will go to NAD and FAD, NAD receives 1 hydrogen atom with an electron and FAD receives two hydrogen atoms with an electron, making NADH and FADH2. These will power the Electron Transport Chain.
- Cellular Respiration
- Anaerobic Respiration
- Anaerobic Respiration
- Oxygen is required for the extra 30 ATP being processed in ETC. Oxygen will accept the electron and make water. Water will be released along with CO2. 2 ATP from glycolysis and 2 ATP from the Krebs Cycle. The piggy has successfully made 34 ATP molecules! :)
- Relationship
- In the absence of oxygen for photosynthesis nothing really happens. The plant will probably die because it couldn't make enough oxygen to maintain cellular respiration to break down it's food source glucose.
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- For organisms other than plants, animals would produce lactic acid due to pyruvate instead of oxygen being the electron acceptor, animals would also produce less ATP molecules. Yeast without oxygen being the electron acceptor would produce ethanol, with oxygen yeast would produce water and CO2.
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- Autotrophs using sunlight photons, CO2 and water release oxygen into the atmosphere. Animals CO2 emissions help plants convert that sunlight and water into glucose and oxygen. The stored glucose inside the plants can give heterotrophs the glucose they need and other heterotrophs can eat that heterotroph to gain it's own glucose and ATP.
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