Nucleus Mitochondria Ribosomes Cell membrane Cytoplasm
Nucleus Permanent vacuole Chloroplast Cell wall Cell membrane Mitochondria Ribosomes Cytoplasm
Circular DNA Cell wall Cell membrane Plasmid Ribosomes Flagellum Cytoplasm
Size Comparison SHOWN AT TRUE RELATIVE SIZE Plant cell ~50 micrometres Animal cell ~20 micrometres Bacterial cell ~2 micrometres ~25 bacteria in a line could fit across one animal cell and ~625 bacteria across one plant cell
Nucleolus Chromosome Nuclear envelope Nuclear pore
GENE
AT CG TA GC AT CG TA GC AT A PAIRS WITH T · C PAIRS WITH G
Scale~20 micrometres
01 / 05Animal Cell
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The Animal Cell

All animals are made of cells. Cells contain tiny structures called organelles, each with a different job. Click any labelled organelle to learn more.

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