A student is looking for evidence that spindle fibers are separating chromosomes during cell division. Which cell is the student looking for
below?*

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.

answer: i feel like it would be 3

explanation:

answerscaffolding proteins;