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A-Level Biology OCR A

Vacuoles Food Membrane Permanent Cell Outline Structure Function

Vacuoles are large vesicles that can be permanent, containing cell sap (like in plant cells), or temporary food vacuoles involved in digestion.

Vacuoles are larger vesicles that can be permanent (like in plant cells with a tonoplast) or temporary (food vacuoles). They hold substances and are involved in digestion when fused with lysosomes.

Front Outline the structure and function of vacuoles.
Back Vacuoles - larger vesicles
  • Membrane bound (selectively permeable membrane around a permanent vacuole in a plant cell - tonoplast), carry a substance
  • Permanent vacuoles (in plants - very large) - contain cell sap
  • Food vacuoles - temporary - form from plasma membrane, engulf food and lysosome fuses with it to give it enzymes to digest the food

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