Question

1. Which of the following statements BEST defines semipermeablea. Allowing all materials to move in and out freelyb. Maintaining a constant concentration of materials inside the cell membranec. Allowing some materials to pass, while preventing othersd. Preventing the movement of all materials

Answer 1

The correct answer is c. Allowing some materials to pass, while preventing others

When we say semipermeable it refers to some, partly, or not completely.