How does atoms relate to cells?

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

Which prefix mean under less or below

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?