Unit - 4

Photosynthesis – characteristics and metabolism of autotrophs, anoxygenic photosynthetic bacteria and cyanobacteria – CO2 fixation and mechanism of photosynthesis – chemolithotrophs – hydrogen bacteria – nitrifying bacteria, sulphur bacteria and iron bacteria – methanogens – methylotrophs. 

1. Download about - Photosynthesis - an introduction & its salient features

2. Download about - Photosynthesis process (i) photophosphorylation and (ii) C fixation  - both process in a single page diagram

3. Download about - Characteristic features  and metabolism of autotrophs

4. Download about - Cyanobacteria

5. Download about - Anoxygenic photosynthetic bacteria

6. Download about - An introduction to Chemolithotrophs

7. Download about - Chemolithotrophs (hydrogen bacteria, nitrifying bacteria, sulfur bacteria and iron bacteria) including methylotrophs

8. Download about - S oxidizing bacteria ; To know the key differences of S bacteria, click HERE

9. Download about - (i) Methanogens Introduction & co-enzymes (ii) Methanogenesis process.

10. Download about - Methylotrophy