Identify stucture of eurkayotic cell

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Which of the following best describes the purpose of technology?

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