Cell Structures (Edexcel IGCSE Biology)

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Cell Structures

  • Cells are separated from their surrounding environment by a cell membrane
  • Within the cell membrane is the cytoplasm
  • Eukaryotic cells have organelles contained within their cytoplasm
    • Organelles are subcellular compartments where specific processes take place within the cell
  • Within the cytoplasm of eukaryotic cells the following organelles are present
    • Nucleus
    • Mitochondria (singular mitochondrion)
    • Ribosomes
  • Plant cells contain the following additional structures 
    • Cell wall
    • Chloroplasts
    • Permanent vacuole

Structures in a plant cell visible under a light microscope & an electron microscope

When viewed under a microscope the structures inside a plant cell are visible. Ribosomes and mitochondria are too small to view under a light microscope but are visible with the higher resolution of an electron microscope.

Cell Structures & Functions

Cellular Structures & Functions Table

Cell Structures Table 1, downloadable AS & A Level Biology revision notes Cell Structures Table 2, downloadable AS & A Level Biology revision notes

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Lára

Author: Lára

Expertise: Biology Lead

Lára graduated from Oxford University in Biological Sciences and has now been a science tutor working in the UK for several years. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning.