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Phosphodiester Bond in DNA

The bonds pre...

Question

The bonds present in between two complementary bases in a DNA molecule is/are

A

Hydrogen bonds

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B

Glycosidic bonds

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C

Phosphodiester bonds

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D

Ionic bonds

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Solution

The correct option is A Hydrogen bonds
Hydrogen bonds are present in between complementary bases. This complementary base pairing holds the two antiparallel strands of DNA together. There are 3 hydrogen bonds between G and C while 2 are present in between A and T.

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