Question
The fundamental particle not present in hydrogen is ________.
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| Prokaryotic Cell | Eukaryotic Cell | ||
| 1. | Size : generally 1. Size: generally small $(1-10\mu\text{m})1\mu\text{m}=10^{-6}\text{m}.$ | 1. | Size: generally large ( 5-100 μm). |
| 2. | Nuclear region: .......................... and known as........ | 2. | Nuclear region: well defined and surrounded by a nuclear membrane. |
| 3. | Chromosome: single. | 3. | More than one chromosome. |
| 4. | Membrane-bound cell organelles absent. | 4. | ................................... |