Answer: Many biochemical reactions that occur in cells
Chapter 10, Problem 10.113(choose chapter or problem)
Many biochemical reactions that occur in cells require relatively high concentrations of potassium ion (K1). The concentration of K1 in muscle cells is about 0.15 M. The concentration of K1 in blood plasma is about 0.0050 M. The high internal concentration in cells is maintained by pumping K1 from the plasma. How much work must be done to transport 1.0 mole of K1 from the blood to the inside of a muscle cell at 378C (normal body temperature)? When 1.0 mole of K1 is transferred from blood to the cells, do any other ions have to be transported? Why or why not? Much of the ATP (see Exercise 84) formed from metabolic processes is used to provide energy for transport of cellular components. How much ATP must be hydrolyzed to provide the energy for the transport of 1.0 mole of K1?
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