How could changing one nucleotide of DNA (one letter) change a protein?

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Which food could be transported in a galvanized metal container?

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=