5. Which one of the following structure is not observed in eukaryotic cells?
(A) Ribosome
(B) Plasma membrane
(C) Nuclear envelope
(D) Chromosome
(E) Plasmid
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統計: A(2), B(4), C(5), D(2), E(132) #2349800
統計: A(2), B(4), C(5), D(2), E(132) #2349800