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Cell Structure and Cell Organelles

Schematic for Eukaryotic Cells

Many single-celled and all multicellular organisms are made of eukaryotic cells. Their most important feature, for which they are named, is their nucleus (eukaryon). While some cell components and organelles are part of the basic structure of all eukaryotes, others only occur in certain organisms or tissue types.

Tab.1
Similarities and differences between animal and plant cells
All eukaryotic cells nucleus, mitochondria, endoplasmic reticulum (ER), Golgi apparatus, ribosomes, lysosomes
Only in animal cells centromeres
Only in plant cells chloroplasts, cell wall, vacuoles

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Fig.1
The main components of animal cells

The following pages contain a more detailed description of the components and organelles of animal cells. The most important organelles of plant cells, chloroplasts, are discussed in detail in the German learning unit entitled Chloroplasten - die Photosynthese-Fabriken der Zellen.

3D animation: Flight through an animal cell

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