Which function below is performed by a macromolecule made of nucleotides?

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

What happens when two nitrogen atoms share electrons

Describe the structure of a virus, and explain how this structure differs from that of a cell.