What is the reason for the anti-parallel natu | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) The $DNA$ double helix consists of two polynucleotide chains that run in opposite directions,a property known as anti-parallelism. This orientatio

Vedclass · Accepted Answer

None of the above

Vedclass · Answer

(D) The $DNA$ double helix consists of two polynucleotide chains that run in opposite directions,a property known as anti-parallelism. This orientation is primarily determined by the chemical structure of the sugar-phosphate backbone,where the $5'$ end of one strand is aligned with the $3'$ end of the other. While hydrogen bonds hold the nitrogenous bases together,they do not dictate the anti-parallel orientation itself. Phosphodiester bonds link the nucleotides within a single strand,but the anti-parallel arrangement is a structural consequence of the polarity of the deoxyribose sugar and the specific orientation of the phosphodiester linkages between the $3'$ and $5'$ carbons. Therefore,none of the provided bond types are the direct cause of the anti-parallel nature; it is a result of the molecular geometry of the nucleotides.

What is the reason for the anti-parallel nature of $DNA$ strands?

Similar Questions

The coding sequences of genes are known as . . . . . . .

Which one of the following is the genetic material of bacteriophage $\phi X 174$?

The number of $H$-bonds between Guanine and Cytosine is .....

What is a nucleosome?

Which radioactive isotope is required for the precise measurement of $DNA$ synthesis?

Vedclass Test Series

Exam Paper Generator

Online Exam Module