Newtonian mechanics augmented by statistical mechanics cannot explain chemical bond stability or genetic persistence; quantum mechanics is necessary.

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• Quantum theory permits both long-term structural stability and discrete discontinuous changes—both required for genetic inheritance and mutation.finding0.816
• How can increasing complexity and variety evolve over time given the second law of thermodynamics and statistical nature of quantum mechanics?question0.810
• Without the features of quantum mechanics mentioned by Schrödinger, reliable biological reproduction of known forms of life would be impossible.claim0.809
  Sloman's endorsement that quantum stability is a necessary condition for life.
• "Quantum mechanics is the first theoretical aspect which accounts from first principles for all kinds of aggregates of atoms actually encountered in Nature."concept0.802
  Justifies necessity of quantum framework rather than classical physics for biology; Heitler-London bondage unique feature not invented ad hoc.
• Isomeric molecules are equally stable despite identical energy levels because transition requires passage through higher-energy intermediate configurations.finding0.791
• The mechanism of heredity is closely related to, nay, founded on, the very basis of quantum theory.claim0.790
  The assertion that gene stability and mutations are explained by quantum mechanics.
• Quantum theory reveals discreteness of atomic/molecular states with energy levels and quantized transitions.finding0.788
  Foundational quantum-mechanical fact that Schrödinger leverages to explain why molecular configurations are stable against small thermal perturbations.
• No alternative to molecular explanation of hereditary substance exists; physical laws leave no other possibility.claim0.787