Which of the following is a need of most plants?

a. to release water through their leaves.
b. to take up oxygen from the environment.
c. to capture sunlight to perform photosynthesis.
d. to release carbon dioxide to the environment.

i would go with b

cytokinesis occurs after telophase so that eliminates d

and the entire reason for cytokinesis is for cellular reproduction

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.