ATP or adenosine triphosphate is the molecule responsible for storing and transporting energy in cells. It is made up of adenosine and three phosphate molecules. When ATP releases one of its phosphate molecules, it produces energy that can be used by cells to carry out their functions.
ATP is found in all living cells and is essential for their survival. It is produced through a process known as oxidative phosphorylation, which occurs in the mitochondria (the powerhouses of cells). This process requires oxygen and generates ATP from glucose and other nutrients.
ATP plays an important role in many cellular processes, including muscle contraction, cell division, transport of molecules across cell membranes, and production of enzymes. In addition, ATP is involved in signal transduction pathways that regulate gene expression.