Question: Q: The "double helix" shape is associated with what substance found in cells?   A:
OPTIONS:
- genes
- bacteria
- plasma
- dna
Answer: dna

Question: Q: What do clouds trap into the atmosphere at night?   A:
OPTIONS:
- seawater
- light
- smog
- heat
Answer: heat

Question: Q: What might arthropods use as legs for walking?   A:
OPTIONS:
- antennae
- flagella
- cloven hooves
- jointed appendages
Answer:
jointed appendages