Organelle: Quick Facts

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Labeled diagram of a Euglena, a unicellular protist, showing internal structures such as the nucleus, nucleolus, mitochondrion, chloroplasts, stigma (eyespot), flagellum, contractile vacuole, photoreceptor, stored carbohydrate, endoplasmic reticulum, and Golgi apparatus.

Cutaway illustration of a plant cell showing labeled internal structures including the nucleus, nucleolus, chloroplast, mitochondrion, vacuole, endoplasmic reticulum, ribosomes, Golgi apparatus, cell wall, and other key organelles.

How different parts of a cell interact

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Topics

Golgi apparatus mitochondrion Nitroplast endoplasmic reticulum peroxisome hydrogenosome 6 Cell Organelles ribosome lysosome nucleus Biosphere ecosystem DNA membrane intracellular fluid community Flagellum cilium cytoplasm protoplasm

Key People

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George E. Palade

Romanian-born American cell biologist

Mechanism of cellular autophagy, illustration for Nobel Prize Award in Medicine 2016. 3D illustration showing fusion of lysosome with autophagosome containing microbes and molecules.

Parts of a Cell Quiz

greylag. Flock of Greylag geese during their winter migration at Bosque del Apache National Refugee, New Mexico. greylag goose (Anser anser)

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