Cellular Respiration

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This flashcard set explains the key stages and components of cellular respiration, including glycolysis, the Krebs cycle, and the production of ATP. It also provides the overall equation for cellular respiration and highlights carbon dioxide as a waste product.

cellular respiration

Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen

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Key Terms

Term
Definition

cellular respiration

Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen

ATP

(adenosine triphosphate) main energy source that cells use for most of their work

Glycolysis

Splitting of a 6-carbon glucose into two pyruvates, each having 3 carbons.

cellular respiration equation

C6H12O6+6O2---> 6CO2+6H2O+ATP

Carbon Dioxide

waste product of cellular respiration

Krebs cycle

produces molecules that carry energy to the second part of cellular respiration

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TermDefinition

cellular respiration

Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen

ATP

(adenosine triphosphate) main energy source that cells use for most of their work

Glycolysis

Splitting of a 6-carbon glucose into two pyruvates, each having 3 carbons.

cellular respiration equation

C6H12O6+6O2---> 6CO2+6H2O+ATP

Carbon Dioxide

waste product of cellular respiration

Krebs cycle

produces molecules that carry energy to the second part of cellular respiration

Fermentation

Process by which cells release energy in the absence of oxygen

Chemiosmosis

A process for synthesizing ATP using the energy of an electrochemical gradient and the ATP synthase enzyme.

ADP

(Adenosine Diphosphate) The compound that remains when a phosphate group is removed from ATP, releasing energy

inhaling oxygen and exhaling carbon dioxide

Reactant and product of cell respiration

anaerobic process


does not require oxygen


Glyco

glucose

Matrix

Innermost compartment of the mitochondrion

Respiration

Inhalation and exhalation of air

NADH and FADH2

electron carriers

32 ATP molecules

Electron Transport Chain provides a cell with a net gain of

3 stages of cellular respiration

glycolysis, krebs cycle, electron transport chain

bridge reaction

Takes the 2 molecules of pyruvic acid made and makes them into 2 molecules of Acetyl-CoA, also this process makes 2 NADH; It is the connection between the cytoplasm and the mitochondria, anaerobic respiration, and between glycolysis and the Krebs cycle

2 ATP molecules

Glycolysis provides a cell with a net gain of

aerobic process

requires oxygen

lactic acid fermentation

the chemical breakdown of carbohydrates that produces lactic acid as the main end product

Cristae

Infoldings of the inner membrane of a mitochondrion that houses the electon transport chain and the enzyme catalyzing the synthesis of ATP.

Electron Carriers

molecules that can carry high energy electrons through the electron transport chain

alcoholic fermentation

the anaerobic process by which yeasts and other microorganisms break down sugars to form carbon dioxide and ethanol

function of cellular respiration

Cellular respiration is what cells do to break up sugars into a form that the cell can use as energy. Cellular respiration takes in food and uses it to create ATP, a chemical which the cell uses for energy.

citric acid cycle

Another name for the Krebs cycle

Cellular

occurs in the cell

Mitochondrion

Singular