The pair of bases in DNA are held together by_________

Hydrogen bonds

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Ionic bonds

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Phosphate groups

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Oxygen linkages

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Solution

The correct option is C Hydrogen bonds
The complementary bases present in DNA are help together with hydrogen bonds.

There are 2 hydrogen bonds between adenine and thymine and there are 3 hydrogen bonds between guanine and cytosine.

These hydrogen bonds are essential for life.

They provide DNA it's shape and structure.

Option A is correct.

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