If both a plant cell and an animal cell are placed in a hypotonic solution, how would their responses differ?

If both a plant cell and an animal cell are placed in a hypotonic solution, their responses would differ due to the structural and functional differences between the two types of cells.

1. Plant Cell Response:

• The plant cell has a rigid cell wall surrounding the cell membrane. When placed in a hypotonic solution, water molecules will move into the cell through osmosis.
• As water enters the cell, the vacuole within the plant cell will expand, exerting pressure against the cell wall. This pressure is known as turgor pressure.
• The turgor pressure helps maintain the shape and rigidity of the plant cell, preventing it from bursting or lysing.
• The plant cell will become turgid or swollen, but it will not burst due to the presence of the cell wall.

2. Animal Cell Response:

• Unlike plant cells, animal cells do not have a rigid cell wall. Instead, they have a flexible cell membrane.
• When placed in a hypotonic solution, water molecules will also move into the animal cell through osmosis.
• As water enters the cell, the animal cell will swell and expand. However, since animal cells lack a cell wall, they are more susceptible to bursting or lysing.
• If too much water enters the animal cell, it may burst or undergo cytolysis, leading to cell damage or death.

In summary, when both a plant cell and an animal cell are placed in a hypotonic solution, the plant cell will become turgid due to the presence of the cell wall, while the animal cell may burst or undergo cytolysis due to the absence of a cell wall.