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Answer: 3. Lysosomes and Vacuoles

Mitochondria and chloroplasts contain their own DNA, and the nucleus holds the cell's DNA.

Lysosomes and vacuoles are single-membrane sacs with no DNA, so option 3 is correct. (In option 4 the nuclear envelope is only a membrane, but mitochondria do have DNA, so that pair is not DNA-free.)

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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