NOVEMBER 2019 PAPER 4 Q10a Describe the features of ATP that make it suitable for its role as the universal energy currency of cells. (6) For this part of the question you need to list the features of ATP in a comprehensive manner. You should begin writing by saying the ATP as a molecule is small and water soluble and thus have a rapid rate of intracellular diffusion. It serves as the link between the energy yielding and energy- requiring reactions. It possesses energy rich bonds which can be easily hydrolysed to release about 30.5 kJ of energy per mole of bonds hydrolysed. Its rapid turnover allows it to be easily reformed when needed.
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