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  • Hi there! My name is Daphne the Dolphin. Animals like me need to go through cellular respiration in order to live. 
  • Cytoplasm
  • Cellular respiration starts with a GLUCOSE molecule. This GLUCOSE molecule is  broken down into 2 G3P using the investment of 2 ATPs which then turn into two ADPs. From these two G3P molecules, four ATPs, two from each, and two NADH, one each, are taken out and two PYRUVATE are left over. This process is called GLYCOLYSIS and occurs in the cytoplasm of the cell.
  • 2 NAD+ --> NADH
  • Pyruvate
  • G3P
  • 2 ATP--> 2 ADP
  • Glucose
  • 2 ATP--> 2 ADP
  • G3P
  • Pyruvate
  • The next step on our cellular respiration advent starts when one of the PYRUVIC ACID, from the break down of GLUCOSE, come into the cycle and through PYRUVIC OXIDATION releases one molecule of CO2. The left over molecule with CO ENZYME A turns into ACETYL COA. This ACETYL COA then goes into the KREBS CYCLE and combines with another molecule and creates CITRIC ACID. This 6 carbon CITRIC ACID releases one molecule of CO2 by using NAD+ which then turns into NADH. The 5 carbon atom left over releases another molecule of CO2 by using NAD+ which turns into NADH and ADP which turns into ATP. Finally, the four carbon atom left over turns FAD into FADH2 and NAD+ into NADH. 
  • Matrix
  • KREBS CYCLE
  • As you can see, cellular respiration is more complicated than just breathing.
  • The final step of cellular respiration is the ELECTRON TRANSPORT CHAIN. The first step of this process is when NADH and FADH2 is delivered from the KREBS CYCLE to power the process by dropping off electrons to be used. The second step is energy from electrons are used to pump PROTONS into the INNER MEMBRANE SPACE. Once they're are enough PROTONS they will flow through the ATP SYNTHASE to create lots of ATP. The ATP SYNTHASE is located in the INNER MEMBRANE of the Mitochondria. This process will only work if oxygen is being delivered however.
  • e
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  • e
  • e
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  • p
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  • p
  • ATP SYNTHASE
  • ATP Created
  • p
  • To recap, the three parts of cellular respiration are Glycolysis, the Krebs Cycle and the Electron Transport Chain. Thanks for joining me on my exploration through cellular respiration.
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