Compartments a and B Are Separated by a Membrane That

question 105

Multiple Choice

Compartments A and B are separated by a membrane that is permeable to K+ but not to Cl-.At time zero,a solution of KCl is poured into compartment A and pure H2O is poured into compartment B.At equilibrium,

• A)The concentration of K+ in A will be lower than it was at time zero
• B)Diffusion of K+ from A to B will be equal to the diffusion of K+ from B to A
• C)There will be a potential difference across the membrane,with side A negative relative to side B
• D)The electrical and diffusion potentials for K+ will be equal in magnitude and opposite in direction
• E)All of the choices are correct

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