Multiple choice

Which of the organelles contains DNA?

  1. Nucleus in a prokaryote; Nucleoid region in a eukaryote

  2. Nucleus in a eukaryote; Nucleoid region in a prokaryote

  3. Plasmids in a eukaryotic cell

  4. Chloroplasts in a eukaryotic cell
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Eukaryotic cells store their primary genetic material inside a membrane-bound nucleus, whereas prokaryotic cells lack a nucleus and keep their DNA in an unbound nucleoid region. This distinction is one of the defining differences between eukaryotes and prokaryotes.

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