A Passive Transporter Is Discovered That Can Transport Both Galactose

question 108

Essay

A passive transporter is discovered that can transport both galactose and glucose.The pore of the transporter can accommodate a single sugar at a time.If the extracellular concentrations of galactose and glucose are 0.2 and 3.6 mM,respectively,and the intracellular concentrations are 0.39 and 2.6 mM,respectively,which sugar is most likely to enter the cell through the transporter? Provide two reasons for your answer.

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