This illustration developed for HILLEMAN: A Perilous Quest to Save the World’s Children captures the intracellular sites essential for protein production and processing. The journey begins in the cell nucleus, where genetic material coding for proteins is stored. The surrounding endoplasmic reticulum functions as the location of protein synthesis, modification, and transportation. Some of these proteins are packaged in vesicles and are transported across the cytosol on microtubules by motor proteins called kinesin.
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