Which polysaccharide is described correctly?
- Aamylopectin; monomer: $\beta$-glucose; biological role: storage molecule in animals
- Bamylose; monomer: $\alpha$-glucose; biological role: storage molecule in plants
- Ccellulose; monomer: $\alpha$-glucose; biological role: structural molecule in plants
- Dglycogen; monomer: $\beta$-glucose; biological role: structural molecule in animals