US National Weather Service Philadelphia September Weather data records that on September 28, 1984, the high temperature did not exceed 52 degrees Fahrenheit, the lowest high measured in Philadelphia in the past 69 years.
Vacuoles are generally used to store cell products or protect the rest of the cell from invading microorganisms. The large central vacuole of plant cells is a special case. It is used to store water and cellular wastes and helps maintain the necessary internal pressure of plants called turgor pressure. Structure.
In addition to a cell wall, plant cells also have this very large structure that can take up as much as 80% of the cell's volume. This is called a central vacuole, a large storage compartment in plant cells. wilting plant! Notice, however, that even in a hypertonic environment, the cell wall helps maintain the shape of the plant cell. As soon as you started watering the plant regularly, the plants were again in an isotonic, or equal, water environment.