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Question
Write down differences between nucleus and nucleoid
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Solution
| Nucleus | Nucleoid |
| 1. It is larger in size. | 1. It is comparatively smaller in size |
| 2. It has a covering of double membrane envelope. | 2. A covering membrane is absent. It lies free in the cytoplasm |
| 3. Nucleolus is present in it | 3. Nucleolus is absent in it. |
| 4. Its DNA content is equal to two or several DNA molecules | 4. Its DNA content is equal to a single DNA molecule. |
| 5. Its DNA is associated with histone proteins to form chromatin. | 5. In it histones are absent. DNA of a nucleoid is often naked |
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