Adenosine 5-triphosphate (ATP)
Definition
Adenosine 5-triphosphate (ATP) is the primary energy carrier in all living organisms. It stores and transports chemical energy within cells to support various biological processes.
5 Must Know Facts For Your Next Test
- ATP is produced through cellular respiration in mitochondria.
- It releases energy when its terminal phosphate bond is broken, converting it to ADP (adenosine diphosphate).
- ATP plays a crucial role in muscle contraction, nerve impulse propagation, and chemical synthesis.
- Homeostasis relies on ATP for maintaining stable internal conditions by powering active transport mechanisms.
- Enzymes like ATPases are involved in the hydrolysis of ATP to release energy.
Review Questions
- What cellular process primarily generates ATP?
- How does ATP release energy for cellular activities?
- Why is ATP crucial for maintaining homeostasis?
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Related terms
ADP: Adenosine diphosphate, formed when ATP loses one phosphate group.
Cellular Respiration: The metabolic process that produces ATP by breaking down glucose.
Mitochondria: Organelles known as the powerhouses of the cell where ATP production occurs.
