1. The DNA
2. The Search for Genetic Materi
3. RNA World
4. Replication
5. Transcription
6. Genetic Code
7. Translation
8. Regulation of Gene Expression
, living systems
2 nucleic acids
÷:
Deoxyribonucleic Ribonucleic a
acid (DNA) (RNA)
Genetic material Genetic mater
most organisms. some viruse
, The DNA
long polymer of deoxyribonucleo
Depends
v
no. of nucleotides
bacteriophage a ×174
Bacteriophage lambda
=
Escherichia coli
human DNA
human DNA
, Structure of Polynucl
RNA structure
Purines (Ade!ne,
Pyri"dines (Cytosi
Uracil,) RNA
>
Nu