Cellular Respiration Flashcards

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Questions and Answers

What are the reactants of Glycolysis?

2 ATP, 1 Glucose, G3P

Where does Glycolysis occur?

cytosol

What are the products of Glycolysis?

2 NADH, 2 ATP, 2 Pyruvate

What are the reactants of Pyruvate Oxidation?

<p>2 pyruvate</p> Signup and view all the answers

What are the products of Pyruvate Oxidation?

<p>2 NADH, 2 CO2, 2 Acetyl CoA</p> Signup and view all the answers

Where does Pyruvate Oxidation occur?

<p>Mitochondrion</p> Signup and view all the answers

What are the reactants of Krebs Cycle?

<p>2 Acetyl CoA, Oxaloacetate</p> Signup and view all the answers

What are the products of Krebs Cycle?

<p>6 NADH, 4 CO2, 2 FADH2, 2 ATP</p> Signup and view all the answers

Where does Krebs Cycle occur?

<p>Matrix</p> Signup and view all the answers

What are the reactants of Oxidative Phosphorylation?

<p>6 O2, 2 FADH2, 10 NADH</p> Signup and view all the answers

What are the products of Oxidative Phosphorylation?

<p>6 H2O, 34 ATP</p> Signup and view all the answers

Where does Oxidative Phosphorylation occur?

<p>Cristae</p> Signup and view all the answers

What are the reactants of Alcohol Fermentation?

<p>2 NADH, 2 Pyruvates</p> Signup and view all the answers

What are the products of Alcohol Fermentation?

<p>2 CO2, 2 Ethanol</p> Signup and view all the answers

Where does Alcohol Fermentation occur?

<p>cytosol</p> Signup and view all the answers

What are the reactants of Lactic Acid Fermentation?

<p>2 NADH, 2 ATP, 2 Pyruvate</p> Signup and view all the answers

What are the products of Lactic Acid Fermentation?

<p>2 Lactic Acid</p> Signup and view all the answers

Where does Lactic Acid Fermentation occur?

<p>cytosol</p> Signup and view all the answers

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Study Notes

Glycolysis

  • Reactants: 2 ATP, 1 Glucose, G3P contribute to the breakdown of glucose.
  • Products: 2 NADH, 2 ATP, and 2 Pyruvate are generated, storing energy and molecules for further processes.
  • Occurs in the cytosol, the fluid portion of the cytoplasm.

Pyruvate Oxidation

  • Reactant: 2 Pyruvate molecules are converted during this stage.
  • Products: 2 NADH, 2 CO2, and 2 Acetyl CoA are produced, linking glycolysis to the Krebs cycle.
  • Location: Takes place in the mitochondrion.

Krebs Cycle (Citric Acid Cycle)

  • Reactants: 2 Acetyl CoA and oxaloacetate enter the cycle to initiate a series of reactions.
  • Products: 6 NADH, 4 CO2, 2 FADH2, and 2 ATP are generated, facilitating energy extraction and carbon release.
  • Occurs in the matrix of the mitochondrion, the innermost compartment.

Oxidative Phosphorylation

  • Reactants: 6 O2 and energy carriers (2 FADH2, 10 NADH) are utilized to drive ATP production.
  • Products: 6 H2O and 34 ATP are produced, capturing significant energy for the cell.
  • Takes place in the cristae, the folds of the inner mitochondrial membrane.

Fermentation

  • Alcohol Fermentation:

    • Reactants: 2 NADH and 2 Pyruvates are transformed in anaerobic conditions.
    • Products: 2 CO2 and 2 Ethanol are produced, allowing for ATP production without oxygen.
    • Occurs in the cytosol.
  • Lactic Acid Fermentation:

    • Reactants: 2 NADH and 2 Pyruvates are utilized in this anaerobic process.
    • Products: 2 Lactic Acid are generated, allowing for temporary energy production.
    • Also occurs in the cytosol.

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