The most important high- energy phosphate compound in living organisms is

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ATP (adenosine triphosphate) is the most important high-energy phosphate compound in living organisms. It is used by cells as a source of energy for various cellular processes, including muscle contraction, protein synthesis, and membrane transport. The phosphate bonds in ATP are high-energy bonds, which release energy when broken, providing the energy necessary for cellular processes. RNA (A) is a molecule involved in protein synthesis, but it is not a high-energy phosphate compound. GTP (B) is also a molecule involved in energy transfer within cells, but it is not as important as ATP. Glucose (D) is a sugar molecule that can be used as an energy source, but it is not a phosphate compound.

The Most Important High- Energy Phosphate Compound in Living Organisms