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Home Questions 8SVYCURZHJ
Target Exam

CUET

Subject

Biology

Chapter

Molecular Basis of Inheritance

Question:
Which among the following bond helps in the linkage of two nucleotides in a strand of DNA ?
Options:
5'-3' phosphodiester bond.
3'-7' phosphodiester bond.
3'-5' phosphodiester bond.
1'-3' phosphodiester bond.
Correct Answer:
3'-5' phosphodiester bond.
Explanation:
Two nucleotides are linked through 3'-5' phosphodiester linkage to form a dinucleotide. More nucleotides can be joined in such a manner to form a polynucleotide chain.

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