Multiple choice

Plasmid is a/an

  1. plastid

  2. extrachromosomal DNA

  3. starch granules

  4. fat globule
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 A plasmid is a small DNA molecule within a cell that is physically separated from a chromosomal DNA and can replicate independently. They are most commonly found in bacteria as small circular, double-stranded DNA molecules; however, plasmids are sometimes present in archaea and eukaryotic organisms.

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