VCE Physical Education Practice Exam

Question: 1 / 400

What is the role of ATP in the body?

To store fat for energy

To serve as an energy currency for biological work

The role of ATP, or adenosine triphosphate, in the body is fundamentally linked to its function as the primary energy currency for biological work. ATP is utilized by cells to provide the energy needed for various physiological processes, such as muscle contraction, protein synthesis, and cell signaling. When ATP is broken down into ADP (adenosine diphosphate) and an inorganic phosphate (Pi), energy is released, which can then be harnessed for cellular activities.

This energy currency aspect is central because ATP is vital for sustaining life; it powers nearly every activity a cell undertakes. The continuous production and consumption of ATP ensure that cells remain energized and capable of performing their functions efficiently. Understanding this role of ATP is crucial for comprehending metabolic processes and energy management within the body, highlighting its significance in physical education and overall human physiology.

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To transport oxygen in the blood

To facilitate muscle growth and repair

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