The reason for the double helical structure o | vedclass

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(C) $DNA$ (deoxyribonucleic acid) is the molecule that carries the genetic information of all living beings.The structure consists of two polynucleoti

Vedclass · Accepted Answer

Hydrogen bonding

Vedclass · Answer

(C) $DNA$ (deoxyribonucleic acid) is the molecule that carries the genetic information of all living beings.The structure consists of two polynucleotide strands that wind around each other to form a double helix.Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate molecules.The two strands are held together by hydrogen bonding between the nitrogenous bases.Adenine $(A)$ pairs with Thymine $(T)$ via two hydrogen bonds,and Cytosine $(C)$ pairs with Guanine $(G)$ via three hydrogen bonds.Therefore,the double-helical structure of $DNA$ is stabilized by hydrogen bonding.

The reason for the double helical structure of $DNA$ is the operation of

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