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Question

Comment on the statement “living state is a non-equilibrium steady state to be able to perform work”.

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Solution

Non-equilibrium steady state of living beings:
  • The state of non-equilibrium ensures that the biological system is always in a working mode.
  • Work is done with the use of energy obtained from the metabolism of glucose and fats.
  • Biological system is working to keep the organism in a steady state. Steady-state can be explained with a reaction. In the reaction the concentration of B remains constant as the amount of B formed from A is equal to the amount of B converted into C.
A B C
  • Various processes in living beings attempt towards preventing biological systems from falling into equilibrium (death).

Metabolism maintains steady state:
  • Metabolism maintains the constant concentrations of different biomolecules in the metabolic pathways.
  • Therefore, biomolecules in the living system remain in metabolic flux to maintain a steady state.

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