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Cellular Respiration

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Maria Loredo

on 9 January 2013

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Transcript of Cellular Respiration

Cellular Respiration Maria Loredo
Period 3-4 The process in which a cell takes food and, with the aid of oxygen, breaks it down in order to produce energy. This energy aids in the production of ATP. But First... Y
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s . So ... LETS GET STARTED!!! There are two ways to take oxygen into the body. Aerobic
Respiration Anaerobic
Respiration & Aerobic respiration is when the body is taking in air at a moderate pace. This means that energy is produced at a normal rate or creating energy in the presence of oxygen.
Also the energy production simultaneously burned at the rate it is produced. Anaerobic respiration is when the body requires more energy than is being produced.
In this instance lactic acid builds up and creates the sensation of pain. NOW... Cellular respiration takes place in the mitochondria.
Heterotrophs (we are heterotrophs) take food (organic compounds), break it down in the presence of oxygen, and create carbon dioxide, water, and ATP. You might ask yourself, What is the equation to such process??? WELL...it is -> C6H1206+60->6CO2+H20+ATP Glucose Carbon Dioxide Water The energy comes from the hydrogen The hydrogen is separated from the glucose molecule by the presence of oxygen. The oxygen, wanting to be stable, takes and holds on to the hydrogen. The movement of the hydrogen is what creates the energy to form ATP. Now remember when I said that cellular respiration takes place in the mitochondria? This is what it looks like For cellular respiration, there are three steps: 1.Glycolisis
2.Krebs Cycle
3.Electrontransport chain Basically breaking down glucose in order to create 2 pyruvate molecules each with 3 carbon molecules. At the same time producing 2 ATP. The pyruvate then goes into the mitochondria and is going to be made Acetyle CoA by a pyruvate dehydrogenase complex which makes it a two carbon molecule. Next the Krebs cycle breaks it down even further to get rid of the two remaining carbon molecules by giving it off as 2 CO2 molecules.
Also giving out two ATP. pyrubate= C3H3O3 During pyruvate dehydrogenase complex and the Krebs cycle NADH and FADH2 were created. NADH and FADH2 is the high energy electrons and protons are added. These two take the electrons to the electron transport chain. the electrons pass though protein. The energy of the protein is used to transer protons to the inner membrane space. The electrons are added to the other protons and oxygen The protons that have moved to the space have no where to go so they pass through a space called ATP synthesis. For every proton that goes through an ATP is created by attaching a phosphate to an ADP molecule. . This process gives off about 32-34 ATP. AMAZING HUH?! thus giving off the byproduct water. And that is what
goes on in Hold on there, NOT SO FAST !! There's something I want to show you. You don't have to see past 10 It could be possible just read this.. A man who burned to death in his home died as a result of spontaneous combustion, an Irish coroner has ruled. 'First Irish case' of death by spontaneous combustion BBC News http://www.bbc.co.uk/news/world-europe-15032614
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