The backbone of a polynucleotide chain i

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Target Exam

CUET

Subject

Biology

Chapter

Molecular Basis of Inheritance

Question:

The backbone of a polynucleotide chain is formed by:

Options:

Sugar and nitrogenous base

Nitrogenous base and phosphates

Sugar and phosphates

Sugar, nitrogenous base and phosphates

Correct Answer:

Sugar and phosphates

Explanation:

The correct answer is Option (3) → Sugar and phosphates