Which of the following is not a feature of the plasmids?
| 1. | Single – stranded | 2. | Independent replication |
| 3. | Circular structure | 4. | Transferable |
Which structures perform the function of mitochondria in bacteria?
| 1. | Nucleoid | 2. | Ribosomes |
| 3. | Cell wall | 4. | Mesosomes |
| 1. | Only I | 2. | Only II |
| 3. | Only II and III | 4. | Only III |
| 1. | They are differentiated form of cell membrane |
| 2. | They are essentially infoldings of cell membrane |
| 3. | They can be in the form of vesicles, tubules and lamellae |
| 4. | They contain photosynthetic pigments |
| 1. | presence of ribosomes |
| 2. | arising from pre-existing cells |
| 3. | compartmentalization through membrane bound organelles |
| 4. | presence of a cell membrane |