Final answer:
Proteins are synthesized from polypeptides in the endoplasmic reticulum and processed in the Golgi apparatus.
Explanation:
Protein Synthesis and Processing in Eukaryotic Cells
Polypeptides are shaped into proteins primarily in the endoplasmic reticulum and then undergo further processing in the Golgi apparatus. Ribosomes are involved in the synthesis of polypeptides, but the final shaping into functional proteins occurs in the endoplasmic reticulum and Golgi bodies.
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