Adenosine triphosphate
Definition
Adenosine triphosphate (ATP) is the primary energy carrier in all living organisms. It stores and transfers energy within cells, enabling various biological processes.
5 Must Know Facts For Your Next Test
- ATP consists of adenine, ribose, and three phosphate groups.
- The hydrolysis of ATP to ADP and an inorganic phosphate releases energy used by cells.
- ATP synthesis occurs primarily in the mitochondria during cellular respiration.
- ATP is also produced in chloroplasts during photosynthesis in plants.
- Cells use ATP for mechanical work, transport work, and chemical work.
Review Questions
- What are the components that make up an ATP molecule?
- How does the hydrolysis of ATP provide energy for cellular processes?
- Where in the cell is ATP primarily synthesized?
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Related terms
ADP (Adenosine Diphosphate): A molecule formed by the removal of one phosphate group from ATP, releasing energy.
Cellular Respiration: A metabolic process that converts glucose into ATP in the presence of oxygen.
Photosynthesis: A process used by plants to convert light energy into chemical energy stored as glucose, with ATP being a key intermediate.
