18. If the inside & outside of a cell are both isotonic, does water still move across the cell membrane? Explain.

Yes

Explanation:

Isotonic means equally inside and outside the cell water can move out and in within not net movement.

In an isotonic environment, the relative concentrations of solute and water are equal on both sides of the membrane. There is no net water movement, so there is no change in the size of the cell

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.