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Eucaryotic Ribosomes
Eucaryotic ribosomes are generally larger than procaryotic ribosomes,
Eucaryotic ribosomes, like their procaryotic counterparts, are responsible for synthesis of cellular proteins; they can either be attached to the ER or free in the cytoplasm
1	ER-associated ribosomes synthesize integral membrane proteins or proteins that are secreted out of the cell
2	Free ribosomes synthesize nonsecretory, nonmembrane proteins
3	Several ribosomes can attach to a single mRNA; these compexes are called polyribosomes or polysomes