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Question

The hydrophilic nature of DNA is due to the presence of

A
Phosphate group
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B
Deoxyribose sugar
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C
Thymine base
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D
A number of hydrogen bonds
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Solution

The correct option is B Phosphate group
Hydrophilic molecules, are those which has the tendency to dissolve readily in water. DNA is a hydrophilic in nature because of phosphorous present in phosphodiester bonds which has negative charge due to surplus electron and the phosphate backbone is exposed to surface, where they can interact easily with water
So, the correct answer is option A.

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