Which of the following statements about ATP is inaccurate?

• A. ATP releases energy when its phosphate bonds are broken.
• B. ATP can be stored in large quantities within cells for long-term use.
• C. ATP is composed of adenine, ribose, and three phosphate groups.
• D. ATP is the primary energy currency of the cell.

Answer: (B)

Verified step by step guidance

1. Understand the structure of ATP: ATP, or adenosine triphosphate, is composed of adenine, ribose (a sugar), and three phosphate groups. This structure is crucial for its role in energy transfer.
2. Recognize the function of ATP in energy release: ATP releases energy when the bond between its phosphate groups is broken, typically the bond between the second and third phosphate groups. This process is known as hydrolysis.
3. Identify ATP's role in cellular energy: ATP is the primary energy currency of the cell, meaning it is used to transfer and store energy for various cellular processes.
4. Consider the storage capacity of ATP: ATP is not stored in large quantities within cells for long-term use. Instead, it is continuously synthesized and used as needed, due to its instability and rapid turnover.
5. Evaluate the statements: Based on the understanding of ATP's structure, function, and storage, determine which statement is inaccurate. The statement about ATP being stored in large quantities for long-term use is incorrect, as ATP is not stable enough for long-term storage.