Short note on DNA FOR ug students

1. NCLEIC ACIDS - DNA
Dr. V. RAMESH
Assistant Professor & Head In-Charge,
Department of Botany,
Vivekananda College,
Tiruvedakam West – 625 234
Madurai.

2. DEFINITIONBiopolymers of high molecular weight with mononuceloties as their
repeating units
Chemical composition
Carbon (C)
Nitrogen (N)
Phosphorus (P)
Oxygen (O)
% of N&P Ratio is 15:10
Types
1. DNA ( Deoxyribonucleic Acid)
2. RNA (Ribonucleic Acid)

4. Structural Components of Nucleic Acids

6. NUCLESIDES
Nucleosides are compound in which nitrogenous
bases are linked to the pentose sugars by a β -
glycosidic linkage.

9. STRUCTURE OF DNA

11. STRUCTURE OF DNA

15. NUCLEOSIDES

16. TYPES OF DNA

17. COMPARISON OF VARIOUS FORMS OF DNA