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Question : The hydrophilic nature of DNA is due to the presence of:

Option 1: thymine base

Option 2: many hydrogen bonds

Option 3: phosphate group

Option 4: deoxyribose sugar


Team Careers360 15th Jan, 2024
Answer (1)
Team Careers360 17th Jan, 2024

Correct Answer: phosphate group


Solution : The correct option is the phosphate group.

Being hydrophilic refers to having an affinity for water or having the ability to interact with it by forming hydrogen bonds. Due to the presence of phosphate groups, which have a negative charge from extra electrons, and the phosphate backbone being exposed to the surface, where they may easily interact with water, DNA has a hydrophilic character.

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