| 1. | Ribosomes | 2. | Mesosomes |
| 3. | Golgi Apparatus | 4. | Centrosomes |
| 1. | Membrane bound vesicular structure |
| 2. | Chain of many ribosomes attached to a single mRNA |
| 3. | special structure formed by the extension of plasma membrane |
| 4. | medium sized chromosome |
Which of the following nucleic acids is present in an organism having 70 S ribosomes only?
| 1. | Single-stranded DNA with a protein coat |
| 2. | Double-stranded circular naked DNA |
| 3. | Double-stranded DNA enclosed in nuclear membrane |
| 4. | Double-stranded circular DNA with histone proteins |