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Combustion vs Respiration

Page history last edited by Charles Forstbauer 14 years, 3 months ago

Totaled 12/10 Mr F **CLOSED***

Totaled 11/23 Mr F

 

Cellular Respiration: process that releases energy by breaking down food molecules in the presence of oxygen. Made up from glycolysis, the krebs cycle, and the electron transport chain.

 

 

This is the eqation for cellular respiration

 

aerobic respiration overview

This is a diagram of the process of cellular respiration

 

 

This is a diaram of Combustion

 

 

Cellular Respiration is the release of energy from food through oxygen. In cellular respiration, energy is released in the form of heat and ATP. It takes place at lower temperatures than Cellular Combustion because it is catalyzed by enzymes. Cellular Combustion is the burning of a substance which releases oxygen and carbon compounds. Cellular Combustion takes place at much higher temperatures than Cellular Respiration because the energy released takes the form of heat.

 

The products of photosynthesis are similar to the reactants of cellular respiration. The products of cellular respiration are the reactants of photosynthesis.

Calorie- amount of energy needed to raise the temperature of 1 gram of water 1 Celsius degree.

Cellular respiration- process that releases energy by breaking down food molecules in the presence of oxygen; made up of glycolysis, in the Krebs cycle, and the electron transport chain

 

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-This video is an overview of how all three processes (ETC, Krebs cycle, and Glycolysis) relates to celluar respiration and how they work together to make this cycle possible. In order to carry of lively functions, organisms need energy. Cellular respiration is how the organisms get their energy necessary for life.

 

 

We use oxygen and form carbon dioxide through cellular respiration just like combustion. Both reactions are exothermic. Both reactions contain MANY DIFFERENT molecules and mechanisms. The amount of energy produced is also different. The products of cellular respiration are organic while combustion products are inorganic. Hope that helps

 

 

 

Mitochondria Structure

 

- double membrane

-inner membrane folded to inrease surface area

- glycolysis --> cytoplasm

-kerbs cycle --> matrix

-ETC (elecrton transport chain) --> Inner membrane

 

Here is a picture that labels the Mitochondria

 

 

Cristae (singular crista) are the internal compartments formed by the inner membrane of a mitochondrion. They are studded with proteins, including ATP synthase and a variety of cytochromes. The maximum surface for chemical reactions to occur is within the mitochondria. This allows cellular respiration (aerobic respiration since the mitochondria requires oxygen) to occur.

 

     Combustion is a rapid release of the energy stored in the bonds of glucose.  Both respiration and combustion break the bonds of glucose to get energy, its just that combustion does it much more rapidly.  Respiration breaks glucose down slowley in order to be able to control the energy.  Combustion on the other hand is uncontrolled release of energy. 

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