Phosphodiester Bond

Q. The phosphodiester bond in a nucleic acid is formed between

1. 3’ carbon of one sugar of the nucleotide with the 5’ carbon of the sugar of the succeeding nucleotide
2. 5’ carbon of one sugar of the nucleotide with the 3’ carbon of the sugar of the preceding nucleotide
3. any two adjacent nucleotides in a nucleic acid in which 5’ and 3’ hydroxyls of two adjacent sugars form a double ester with phosphoric acid
4. All the above statements are correct

Q. The unique type of bonds found in Nucleic acids, formed due to the condensation at the phosphorus end, are called _____.

1. Peptide bonds
2. Glycosidic bonds
3. Phosphodiester bonds
4. Disulphide bonds

Q. The bond between the phosphate and hydroxyl group of sugar is a/an

1. glycosidic bond
2. ester bond
3. phosphoanhydride bond
4. peptide bond

Q. Choose the correct pair.

1. Protein - phosphodiester bond
2. Carbohydrate - peptide bond
3. Nucleic acid - phosphodiester bond
4. Protein - glycosidic bond

Q.

The reaction where a phosphate groups bond to a nucleotides to form a nucleic acid molecule is known as ___.

1. Phosphodiester bond

2. Oxidation

3. Dehydration synthesis

4. Transesterification reaction