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Draw a well labelled diagram of a eukaryotic nucleus. How is it different from nucleoid?

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Answer:

Major difference between eukaryotic and prokaryotic nucleus:

1. Eukaryotic nucleus is membrane bound but prokaryotic nucleus is membrane less. 

2. Prokaryotic cells does not contain DNA in the form of chromosomes.

3. Prokaryotic cells does not possess nucleolus as there is no membrane separated nucleolus and cytoplasm.

Nucleus Nucleoid
1. Larger in size 1. Smaller in size
2. Bounded by double membrane 2. Not bounded by any membrane
3. It contains nucleolus 3. Does not contain nucleolus
4. It contains DNA associated with histone proteins 4. It contains naked DNA i.e., DNA is not associated with histone proteins
5. Present in eukryotic cells. 5.Present in prokaryotic cells.
6. Plastids are present. 6. Plastids are absent.

 

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