If A and C make 30% and 20% of DNA, respectively, what will be the percentage composition of T and G ?
1. T : 20%, G : 30%
2. T : 30%, G : 20%
3. T : 30%, G : 30%
4. T : 20%, G : 20%
Subtopic:  Nucleic Acid: Nucleotides |
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Match List -I with List - II.

List-I List-II
(a) Protein I.  C-C double bonds
(b) Unsaturated fatty acid II. Phosphodiester bonds
(c) Nucleic acid III. Glycosidic bonds
(d) Polysaccharides IV. Peptide bonds


Choose the correct answer from the options given below:

Options: (a) (b) (c) (d)
1. II I IV III
2. IV III I II
3. IV I II III
4. I IV III II

Subtopic:  Nucleic Acid: Nucleotides | Proteins | Carbohydrates | Lipids |
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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:
     

1. Category: Cholesterol; Component: Guanine
2. Category: Amino acid; Component: NH2
3. Category: Nucleotide; Component: Adenine
4. Category: Nucleoside; Component: Uracil
Subtopic:  Nucleic Acid: Nucleotides | Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
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