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प्रश्न
Draw a well labelled diagram of a eukaryotic nucleus. How is it different from nucleoid?
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उत्तर
Difference between nucleus and nucleoid are:
| Nucleus | Nucleoid | ||
| 1 | It is larger in size. | 1 | It is smaller in size. |
| 2 | It is bounded by double membrane. | 2 | It is not bounded by any membrane. |
| 3 | It contains nucleolus. | 3 | It 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 | It is present in eukaryotic cells. | 5 | It is present in prokaryotic cells. |
| 6 | Plastids are present. | 6 | Plastids are absent. |
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संबंधित प्रश्न
Name the following :(d) Functional segments of the DNA molecule.
Give an illustrated account of nucleus.
What is the location of following in the cell :
(a) Chromatin
(b) Chromosome
(c) Nucleolus
Which part of the cell is called the brain of the cell?
What are the main things in a nucleus?
What are the functions of the nucleus?
The undefined nuclear region of prokaryotes are also known as
Name the organelles which show the analogy written as under
Storage sacs of the cell——
Read the following statement and write the appropriate term against the statement.
I am like a policeman. I do not allow anything and everything to get in and out of the cell. Who am I? ...................
Name a cell that lacks a nucleus.
