Question

Which types of linkage are present in nucleic acid?

Answer 1

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Phosphodiester linkages

The polarity in DNA and RNA is derived from the oxygen and nitrogen atoms in the backbone. Nucleic acids are formed when nucleotides come together through phosphodiester linkages between the 5' and 3' carbon atoms.

Answer 2

Phosphodiester linkages are present in nucleic acid.

Explanation:

• Phosphodiester linkage is created when a phosphoric acid molecule ($H_3PO_4$) is linked with two hydroxyl groups (–OH) of two other molecules, forming two ester bonds and removing two water molecules.
• Phosphodiester linkage is commonly found in nucleic acids (DNA and RNA) and plays a critical role in their structure and function. In a polynucleotide chain, nucleotides are linked together by phosphodiester bonds.
• A phosphodiester bond occurs when phosphate forms two ester bonds. The first ester bond already exists between the phosphate group and the sugar of a nucleotide.

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