| A. | The eukaryotic ribosomes are 80S and prokaryotic ribosomes are 70S. |
| B. | Each ribosome has two subunits. |
| C. | The two sub-units of 80S ribosomes are 60S and 40S, while those of 70S are 50S and 30S |
| D. | The two subunits of 80S ribosomes are 60S and 20S, and those of 70S are 50S and 20S |
| E. | The two subunits of 80S are 60S and 30S, and those of 70S are 50S and 30S. |
| 1. | A, B and E are true | 2. | B, D and E are true |
| 3. | A, B and C are true | 4. | A, B and D are true |
| 1. | Polysome | 2. | Polyhedral bodies |
| 3. | Plastidome | 4. | Nucleosome |