Cellular Respiration 2
Storyboard Text
- Very interesting. Please tell me more about it.
- So, cellular respiration is the process that allows our bodies to take fuel from food and convert into usable energy that our bodies can use to do all the things our bodies can do!
- Plants receive the glucose needed for cellular respiration from the sun through the process of photosynthesis. Animals obtain glucose needed from cellular respiration by eating foods such as plants that contain glucose.
- The reactants of cellular respiration are glucose and oxygen, while the products are carbon dioxide, water, and energy molecule( ATP). The chemical equation of cellular respiration is:C6H12O6+6O2 →6CO2+6H2O.
- Yes!!
- Hello! I'd like to join to this interesting conversation and add that cellular respiration takes place in the mitochondria of the cell. Cellular respiration is called aerobic reaction because it requires oxygen.
- So, the Krebs cycle and electron transport chain are aerobic, but the Glycolysis isn't. Correct?
- Correct!
- -Don't cellular respiration has 3 stages? Glycolysis, the Krebs cycle and electron transport chain (ETC)?Correct! And in fact, glycolysis occurs in the cytoplasm of the cell. It is anaerobicbecause it doesn't require oxygen and is a pyruvic acid. Its final products are key reactants for the aerobic stages.
- During Glycolysis only 10% of glucose energy is captured to produce ATP. At the end of it, 90% of glucose energy is still unused, locked in the chemical bonds of a molecule called pyruvic acid. During Glycolysis only 2 ATP molecules are created.
- So, 2 ATP molecules are used to start the process of glycolysis and 2 ATP molecules are gained.
- During glycolysis 1 molecule of glucose, a 6-carbon compound, is transformed into 2 molecules of the 3-carbon compound pyruvic acid.
- Yes.
- During glycolysis 4 ATP molecules are synthesized from 4 ADP molecules, because during one of the reactions of glycolysis, 4 electrons are removed in a high-energy state and passed to NAD + an electron carrier, turned into NADH. It holds theelectrons until they can be transferred to othermolecules, and in the presence of oxygen, they will be used to produce more ATP.
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