Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 5 - No. 34)

If a cell is placed in an isotonic solution, what does this mean?
The solute concentration is higher inside the cell than outside.
The solute concentration is the same inside and outside the cell.
The solute concentration is higher outside the cell than inside.
The cell is undergoing active transport.

Explanation

In an isotonic solution, the solute concentration is equal on both sides of the cell membrane.

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