Other questions in this quiz

2. what is DNA?

  • a long list of chemical instructions
  • a short list of chemical instructions.

3. how many chromosomes do cells (not including egg and sperm) have?

  • 23 chromosomes
  • 56 chromosomes
  • 46 chromosomes
  • 36 chromosomes

4. what year did they make this model?

  • 1953
  • 1943
  • 1893
  • 1853

5. what structure type does DNA have?

  • double helix
  • triple helix
  • single helix

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