

Introduction:
Energy and metabolism are closely related concepts in cellular biology. Metabolism refers to the chemical reactions that occur in cells to sustain life and includes processes such as energy production and utilization, the synthesis of cellular components, and the breakdown of molecules for energy and building blocks. Energy is required for these metabolic reactions to occur, and cells obtain energy from the breakdown of macromolecules such as carbohydrates and lipids. The most important source of energy for cells is ATP (adenosine triphosphate), which acts as a universal energy currency in cells. In cellular metabolism, the interconversion of ATP and ADP (adenosine diphosphate) regulates the flow of energy and helps to maintain energy balance in cells. When ATP is hydrolyzed to ADP, energy is released, which can be used by the cell to carry out various metabolic processes. Conversely, the cell can regenerate ATP from ADP by using the energy released from catabolic reactions.
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