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Deoxyribonucleic acid (/diËÉksiËraÉªbÉµ.njuËËkleÉª.É¨k ËaesÉªd/ ; ËÃ¦SÉªD) dna is a molecule that carries most of the genetic instructions used in the, development functioning and reproduction of all known living organisms and many. viruseshe backbone of the DNA strand is made from alternating phosphate and sugar residues. The sugar in DNA is 2-deoxyribose, which is a pentose (five-carbon) sugar. The sugars are joined together by phosphate groups that form phosphodiester bonds between the third and fifth carbon atoms of adjacent sugar rings.
Explain the role of DNA plays in cell division? The nucleus is the part of the cell that directs the other organelles and everything the cell does, including cell division. There is only one thing that controls the nucleus,â¦ and that's DNA. Without DNA, the cell would be able to do absolutly NOTHING, the DNA is like the brain of the cell. 3 people found this useful.