medium · Enhanced ACT science

A cell is placed in a solution with a 5% salt concentration. The cytoplasm of the cell has a 1% salt concentration.

What will happen to the cell due to osmosis?

  1. The cell will explode because the internal pressure increases as salt enters the nucleus.
  2. The cell will shrink as water moves out of the cell toward the higher salt concentration.
  3. The cell will remain the same size because it is in a state of stable homeostasis.
  4. The cell will swell as salt particles diffuse into the cell to reach an equilibrium.

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