GCSE Biology (AQA)

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Aerobic Respiration

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Bioenergetics Respiration

Aerobic Respiration

2:18 Types of Respiration
Spec 4.4.2.1
Previous Cellular Respiration & Energy Next Anaerobic Respiration
  • Aerobic respiration is a reaction that occurs in the mitochondria of cells.
  • It involves the transfer of energy by reacting glucose with oxygen.
  • Glucose, a type of sugar, reacts with oxygen in the mitochondria, found within the cytoplasm of cells.
  • The term "mitochondrion" is singular and "mitochondria" is plural.
  • The energy produced is vital for cellular processes.
  • Respiration is an exothermic reaction, releasing energy outward and producing carbon dioxide and water as waste.
  • The word equation for aerobic respiration is: glucose plus oxygen gives carbon dioxide and water.
  • The symbol equation for aerobic respiration is represented as: glucose (C6H12O6) plus oxygen (O2) gives carbon dioxide (CO2) and water (H2O).
  • To balance the symbol equation, add coefficients to ensure equal numbers of each type of atom on both sides of the equation.
  • The balanced symbol equation for aerobic respiration includes six molecules of oxygen, six molecules of carbon dioxide, and six molecules of water, ensuring equal numbers of carbon, hydrogen, and oxygen atoms on both sides.

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