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Polysaccharides

Two strands i...

Question

Two strands in a DNA are joined by

A

Covalent bond

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B

H-bond

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C

Ionic bond

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D

Phosphodiester bond

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Solution

The correct option is B H-bond
The nucleotides are pained with each other by Hydrogen bonds. Adenine is paired with each other by 2 Hydrogen bonds and Guanine and Cytosine by three hydrogen bonds.

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