The two strands of double helix of DNA are linked together by hydrogen bonds between
A
Bases
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B
Deoxysugars
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C
Phosphates
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D
Ribose sugars
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Solution
The correct option is B Bases The two strands of the double helix of DNA are linked together by hydrogen bonds between nitrogenous bases. The bases, Adenine is bonded to Thymine by two H Bonds while Guanine and Cytosine are bonded by three H-Bonds.