AQA Biology Unit B2 Chapter 4.3 (aerobic respiration)

going into a bit of depth of aerobic respiration

  • Created by: Lara
  • Created on: 20-05-10 12:17

Aerobic respiration

glucose + oxygen --> carbon dioxide + water (+ energy)

Respiration releases energy which is vital for all cells

Respiration occurs in mitochondria. Mitrochondria have folded inner membranes which means that there is a larger surface area where the enzymes that control cellular respiration are found.

The energy released in respiration is used for:

  • Synthesis reactions - building up large molecules from smaller ones to make new cell material
  • Muscular activities - ie making muscles contract
  • Maintaining a constant body temperature - this means that the temperature of our bodies is always the same temperature regardless of the surroundings
  • Releasing energy from food so that the cells of the body can use it
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