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A-Level Biology OCR A

Energy Properties Small Easily Large Cellular Heat Quantities

This flashcard lists five properties of ATP (size, solubility, bond energy, quantity of energy release, regeneration) and explains why each suits its function as an energy transfer molecule.

Properties of ATP: small, water-soluble, intermediate energy bonds, releases energy in small quantities, easily regenerated.

Front State 5 properties of ATP and explain why each makes it ideally suited to function as an energy transfer molecule.
Back Properties of ATP:
  • Small - moves easily into/out of and within cells
  • Water soluble - energy-requiring processes happen in aqueous env
  • Bonds between phosphates with intermediate energy - large enough to be useful for cellular reactions but not so large that energy is wasted as heat
  • Releases energy in small quantities - quantities are suitable to most cellular needs so energy is not lost as heat
  • Easily regenerated - can be recharged w energy

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