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ATP is needed to provide energy for:

  • Movement
  • Maintaining Body Temperature
  • Anabolic Process
  • Active Transport
  • Secretion

Strutural Features:

  • Small, water soluble - easily transported around the cell
  • contains 3 phosphate groups
  • ATP is hydrolysed (water is added) to produce ADP and Pi (phosphate)
  • ADP can be converted back to ATP by the addition of Pi molecule

Production of ATP happens in 3 ways:

  • Photophosphorylation - occurs on the membrane of the chloroplast during photosynthesis
  • Oxidative Phosphorylation - occurs on the membrance of the mitochondria during aerobic respiration
  • Substrate-level Phosphorylation - occurs in both plant and animal cells when a phosphate group is dontated to ADP

Role of ATP:


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