Which cells are most likely to react in the event that there is a reduction in the supply of oxygen to a person’s foot? epithelial cells, neurons neurons, muscle cells muscle cells, blood cells blood cells, epithelial cells

what's the question?

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.