ATP use, structure and synthesis

ATP use, structure and synthesis

What is energy used for in the body?

The most common energy source is adenosine triphosphate (ATP) which is used in every cell to carry out processes such as:

  • Active transport
  • Movement
  • Anabolic reactions
  • Maintenance of body temperature
  • Synthesis of new molecules (e.g. proteins and DNA)
  • Muscle contraction
  • Cell division

The structure of ATP

ATP is a high energy molecule which is called a phosphorylated nucleotide. It is made up of an organic nitrogenous base, adenine, a 5-carbon ribose sugar and 3 phosphate groups. ATP is water soluble and easily transported within a cell. An important feature of an ATP molecule is the presence of free electrons that surround the phosphate groups. These electrons give the molecule its high


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