11. How does a monocot root differ from a dicot root? (select all that apply) A. pith at the center of the vascular cylinder
B. xylem at the center of the vascular cylinder
C. fibrous root system
D. taproot system

materials water oxygen those are the things i can think of in this moment.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.