Zoology Cellular respiration

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Author:
krds
ID:
237818
Filename:
Zoology Cellular respiration
Updated:
2013-09-30 00:08:04
Tags:
Krebs cycle Glycolysis
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Description:
Cellular respiration: In eukaryotic cells three metabolic pathways combine to allow is to make lots of ATP. One of these pathways is in the cell cytosol, the other two are contained in the organelles we call mitochondria. There are Glycolysis, krebs cycle , ETC.
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  1. Cellular respiration: In eukaryotic cells three metabolic pathways combine to allow is to make lots of ATP. One of these pathways is in the cell cytosol, the other two are contained in the organelles we call mitochondria. These are:
    • Glycolysis
    • Krebs cycle
    • Electron transport chain
  2. What is Glycolysis?
    • The most common fermentative pathway. 
    • the simplest most ancient and least efficient of all modes of ATP production
    • first discovered by Loius Pasteur
  3. Where does Glycolysis occur?
    in the cell
  4. What is the Krebs cycle? Where is located in?
    • Elucidated in the 1930s by Hans Krebs (also called the citric acid or tricarboxylic acid cycle).
    • Completes the metabolic breakdown of glucose molecules to Co2 with some ATP production, but mainly provides electrons in a captured form (NADH+FADH2) to the third pathway: ETC
    • in Mitochondria
  5. What is the Electron Transport Chain? located in?
    • Here in the mitochondrial inner membrane NADH andFADH2 are oxidized and the electrons released pass down the ETC to be accepted by oxygen and result in the end product water. 
    • As the electrons move down the chain ATP is produced. 
    • This completes cellular respiration.
  6. Overview of Cellular respiration

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