ROGER HARRIS / SCIENCE PHOTO LIBRARY ROGER HARRIS / SCIENCE PHOTO LIBRARY
Illustration of organelles in a nerve cell (neuron). Neurons pass information around the central nervous system (CNS) and from the CNS to the rest of the body. At centre is the nucleus (transparent), which contains chromosomes (red) that hold the cell's genetic information. Endoplasmic reticulum (ER, pink) is the site of lipid synthesis and the production of membrane-bound proteins. The Golgi body (yellow) modifies and packages proteins. Mitochondria (green) provide the cell with energy.
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