Vacuoles usually account for changes in cell size when the cytoplasmic volume stays constant. Some vacuoles have specialized functions, and plant cells can have more than one type of vacuole.

Cell structure Description Function Cell type Cell wall Freely permeable layer surrounding cell membrane. The cell wall of plant cells is made from cellulose. This gives them a rigid structure.

Cells manage a wide range of functions in their tiny package ... because photosynthetic prokaryotes, algae, and plant cells harness solar energy and use it to make the complex organic food ...

Plant organisation - Edexcel Plant leaves are adapted for photosynthesis and gas exchange. Roots absorb water and mineral ions through root hair cells and ... and their functions - Edexcel ...