Question

Dna has a double strand helix structure in which the strands are held together by hydrogen bond.

Answer 1

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$\huge\green{Yes}$ DNA is a double helix structure .



Its two strands are held together by hydrogen bonding .



$\huge\orange{DNA has four nitrogenous bases }$



Adinine



Cytosine



Guanine



Thymine



In between adenine and Thymine there are three hydrogen bonds .



In between Cytosine and Guanine there are two hydrogen bonds .



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