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Which of the following is present in both prokaryotic and eukaryotic cells?

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Which of the following is present in both prokaryotic and eukaryotic cells?

(a) Proteasomes

(b) Plasmids

(c) Lysosomes

(d) Peroxisomes

The question was asked at a job interview.

The question is from Two Fundamentally Different Classes of Cells in portion Introduction to Cell of Cell Biology

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Right option is (a) Proteasomes

The best I can explain: Proteasomes and protein digesting structures present in both archaebacteria and eukaryotes. Proteasomes degrade unnecessary and damaged proteins by proteolysis. Plasmids are double stranded circular DNA found in prokaryotes whereas lysosomes and peroxisomes are only found in eukaryotes.

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