Question

the linkage represented by arrow is a) Peptide linkage b) Phosphodiesten c) Glycosidic linkage d)N-glycosidic linkage ​

Answer 1

The linkage represented by the arrow is b) Phosphodiester.

• The given structure is the nucleotide.
• A nucleotide consists of sugar, nitrogenous bases and phosphate group.
• The bond between two nucleotides is a phosphodiester bond.
• A glycosidic bond is a bond between two sugars.
• Peptide linkage is the bond which binds two amino acids.
• Many amino acids combine peptide bonds to form primary, secondary, tertiary and quaternary structures of proteins.

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Answer 2

The linkage represented by the arrow is the Phosphodiester linkage.

• By combining the diester bond in phosphoric acid with the sugar molecules found in the backbone of DNA and RNA, oligonucleotide polymers are created.
• Phosphodiester bonds are created by the interaction between the hydroxyl groups of two sugar groups and a phosphate group.
• The nucleic acids that are best equipped to store and transmit biological information are the polymeric diesters of phosphoric acids.

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