Mader/Biology, 10/e – Chapter Outlines

Ribosomes are the site of protein synthesis in the cell. In eukaryotic cells, ribosomes may occur freely or in groups called polyribosomes. Ribosomes receive messenger RNA (mRNA) from the nucleus, which instructs the ribosomes of the correct sequence of amino acids in a protein to be synthesized. 4.5 The Endomembrane System. A. ................
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