That water pressure within the fruit or vegetable is called turgor pressure, or turgidity, which maintains the produce's shape like a full water balloon. It's the same reason that cut flowers last ...

Stomata, microscopic pores on plant leaves, regulate gas exchange and water loss by opening or closing in response to environmental cues. Guard cells surrounding each stoma regulate this process by ...

Plant cells use vacuoles to adjust their size and turgor pressure. Vacuoles usually account for changes in cell size when the cytoplasmic volume stays constant. Some vacuoles have specialized ...