• Plant cells have a rigid cell wall, a large central vacuole, and plastids.
  • The cell wall provides structural support and protection.
  • Pores in the cell wall allow water and nutrients to move into and out of the cell.
  • The cell wall also prevents the plant cell from bursting when water enters the cell.
  • The central vacuole maintains turgor pressure against the cell wall.
  • Proteins found in the tonoplast
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