Which of the following are not polymeric? [2017]
Proteins
Polysaccharides
Lipids
Nucleic acids
(3)
Lipids are fatty acids esters of alcohols and related substances. Polysaccharides are polymers of monosaccharides. Proteins are polymers of amino acids and nucleic acids are polymer of nucleotides.
Match List I with List II: [2025]
| List-I | List-II | ||
| A. | Adenosine | I. | Nitrogen base |
| B. | Adenylic acid | II. | Nucleotide |
| C. | Adenine | III. | Nucleoside |
| D. | Alanine | IV. | Amino acid |
Choose the option with all correct matches.
A-III, B-IV, C-II, D-I
A-III, B-II, C-IV, D-I
A-III, B-II, C-I, D-IV
A-II, B-III, C-I, D-IV
(3)
The correct answer is A-III, B-II, C-I, D-IV
• Adenosine – It is a nucleoside which is composed of nitrogen base and sugar only.
• Adenylic acid – It is a nucleotide which is composed of nitrogen base, sugar and a phosphate group is esterified to the sugar.
• Adenine – Nitrogen base (Purine)
Alanine – An amino acid that contains a methyl group as the ‘R’ group.
