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Chapter 9 Cell Respiration Without Pictures
Terms in this set (20)
A partial degradation of sugars that occur without the use of oxygen.
When oxygen is consumed as a reactant along with the organic fuel.
When there is a transfer of one or more electrons from one reactant to another.
Loss of electrons.
Gain of electrons.
A reduces B, which accepts the donated electrons.
B oxidizes A by removing A's electrons.
electron transport chain
Breaks the fall of electrons to oxygen in several energy-releasing steps.
Breaking glucose into two molecules of a compound called pyruvate.
citric acid cycle
Completes the breakdown of glucose by oxidizing a derivative of pyruvate to carbon dioxide.
When energy is released at each step of the chain is stored in a form the mitochondrion can use to make ATP.
When an enzyme transfers a phosphate group from a substrate molecule.
Is formed when pyruvate first enters into the mitochondria via active transport.
The enzyme that make ATP from ADPand inorganic phosphate.
When energy is stored in the form of a hydrogen ion gradient across a membrane which is used to drive cellular work.
Emphasizes the capactiy of the gradient to preform work.
Occurs by fermentation, which generate ATP solely by substrate-level phosphorylation.
When pyruvate is converted to ethanol in 2 steps.
lactic acid fermetation
When pyruvate is reduced directly by NADH to form lactic as am end product, with no release of carbon dioxide.
Can make enough ATP to survive using using fermentation or respiration.
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