ATP and ADP
ATP or Adenosine Triphosphate, is a molecule so central to microbial life that its measurement is directly related to biomass energy level. ATP is an energy carrier located within living biological cells that manages all biological functions, such as food consumption, maintenance, and reproduction. Like any living creature on Earth, microorganisms require ATP to survive – without it, there would be no life! ATP is found in any living life form, from a simple one–celled organism to you and I. Our kits use sophisticated techniques to detect the simplest natural product.
Bolded words gives out the explanation for ATP and its function
ADP
After a simple reaction breaking down ATP to ADP, the energy released from the breaking of a molecular bond is the energy we use to keep ourselves alive.
Relation of ATP and Glucose

Many ATP are needed every second by a cell, so ATP is created inside them due to the demand, and the fact that organisms like ourselves are made up of millions of cells.

Glucose, a sugar that is delivered via the bloodstream, is the product of the food you eat, and this is the molecule that is used to create ATP. Sweet foods provide a rich source of readily available glucose while other foods provide the materials needed to create glucose.

This glucose is broken down in a series of enzyme controlled steps that allow the release of energy to be used by the organism. This process is called respiration.

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