Two compartments are separated by a membrane that is permeable to water and urea. Compartment I contains 1M NaCl. Compartment II contains 2M urea. Which of the following is a correct statement of their relationship based on the initial conditions?
A) Compartment I is isosmotic to Compartment II.
B) Compartment I is hyposmotic to Compartment II.
C) Compartment I is hypertonic to Compartment II.
D) Both A and C
Answer: D
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