Final answer:
The statement "ATP is sometimes called the " universal currency" in the energy economy of cells." is true because ATP is sometimes called the "universal currency" in the energy economy of cells.
Step-by-step explanation:
The statement is true: ATP (adenosine triphosphate) is often referred to as the "universal currency" in the energy economy of cells. This analogy is apt because ATP can be used to drive many cellular processes, much like money can be used to purchase a wide variety of goods and services. ATP is integral because it stores energy within its phosphate bonds, and when these bonds are broken, energy is released to fuel cellular activities.
In essence, ATP acts much like a rechargeable battery within the cell, capable of storing energy safely and releasing it on demand. The molecule is produced during cellular respiration, where it is generated from the breakdown of food sources such as carbohydrates, proteins, and fats. As the primary energy currency, ATP enables cells to perform vital functions, from muscle contraction to the synthesis of biomolecules, and it is the immediate source of energy that powers all cellular work. The answer is option true.