Which of the following is not a nucleoside?

1. Uridine

2. Cytidylic acid CMP

3. Thymidine

4. Guanosine

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by -

1. Base-sugar-OH

2. Base-sugar-phosphate

3. Sugar-phosphate

4. (Base-sugar-phosphate)_n

Given below is the diagrammatic representation of one of the categories of small

molecular weight organic compounds in the living tissues. Identify the category shown

and the one blank component X in it

Category              Component

1. Cholesterol       Guanin

2. Amino acid       NH₂

3. Nucleotide        Adenine

4. Nucleoside       Uracil

The following diagram depicts the structure of a:

1. Nucleoside
2. Nucleotide
3. Nitrogen containing Monosaccharide
4. Glycoprotein

Identify the given compound:

1. An amino acid

2. A purine base

3. Polysaccharide containing nitrogen

4. Prostaglandin

Which of the following represents uridylic acid?

Nucleotide is made up of

1. Heterocyclic compound, Monosaccharide,
Phosphoric acid.
2. Nitrogenous base, hexose sugar, phosphate.
3. Hetrocylic compound and pentose sugar only.
4. Hetrocyclic compound and nucleoside.

In nucleic acid the bond between the phosphate and hydroxyl group of sugar is
1. Hydrogen bond
2. Glycosidic bond
3. Ester bond
4. Peptide bond

C’ represents carbon of

Match List-I with List-II.

Choose the correct answer from the options given below: