ATP, or adenosine triphosphate, is the primary source of energy for living cells. All cells need ATP to perform their basic functions.

ATP is produced by the cells through a process called cellular respiration. This process involves the breakdown of glucose and other nutrients to produce ATP.

ATP is then used by the cells for a variety of functions, including muscle contraction, cell division, and transport of molecules across cell membranes.

ATP is constantly being produced and used by cells, and it must be replenished regularly. If cells do not have enough ATP, they will not be able to function properly.

Other related questions:

Q: What is the main source of energy for living cells?

A: The main source of energy for living cells is typically sugar or glucose.

Q: What does all cells use for energy?

A: All cells use energy to perform their functions. The energy comes from the breakdown of molecules, such as glucose, in the cell.


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