Multiple choice

Plasmids occur in

  1. viruses

  2. chromosomes

  3. bacteria

  4. chloroplasts

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA. Plasmids naturally exist in bacterial cells, and they also occur in some eukaryotes.