Question

tonicity in cells refers to the concentration of solute in a solution outside of a cell, relative to
multiple choice
the number of cell fragments inside the cell.
the solute concentration of the cytoplasm inside the cell.
the presence of a cell wall.
the permeability of the cell membrane.
the swelling of the cell

Explanation:

Tonicity is about the relative solute - concentration difference between the outside and inside of a cell. It compares the solute concentration of the extracellular solution to that of the cytoplasm inside the cell.

Answer:

the solute concentration of the cytoplasm inside the cell.