Journal
BIOCELL
Volume 46, Issue 10, Pages 2217-2220Publisher
TECH SCIENCE PRESS
DOI: 10.32604/biocell.2022.020806
Keywords
Thermodynamics; Cellular logics; Self-organization; Complexity
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Cells are open systems that exchange energy and molecules with the environment. In order to maintain homeostasis and function, they need to decrease activation energy through enzymatic reactions, which is a complex solution to maintain the system in a stable state.
Cells are open systems that exchange energy and molecules with their environment. As any material system, they perform all the complex activities required for homeostasis and reproduction, obeying the thermodynamic laws. This viewpoint will argue that the basic logic governing the energy flux required to preserve cell organization and function is simple: to decrease the activation energy (Ea) of specific processes. Almost none of the possible chemical reactions and energy transformations inside a cell occur at a measurable speed at room or body temperature. Enzymes or other macromolecular structures speed up particular transformations by decreasing the corresponding energetic barriers. However, to maintain the systems in a homeostatic state, capable of sophisticated functions based on this simple strategy requires an inconceivably complex solution. The conclusion will point to the challenging and intricate problems that cells have solved to carve the highly regulated channel through which the energy flows, fueling the work of these nanoscale machines.
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