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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 :(B) Largest Cell Organelle
What are the genes? Where are they located in the cell?
What is the location of following in the cell :
(a) Chromatin
(b) Chromosome
(c) Nucleolus
What are the essential components of a cell?
Match the following
| 1. | Transporting channel | Nucleus |
| 2. | Suicidal bag | Endoplasmic reticulum |
| 3. | Control room | Lysosome |
| 4. | Power house | Chloroplast |
| 5. | Food producer | Mitochondria |
The undefined nuclear region of prokaryotes are also known as
Of the following parts of a cell name the part that is common to plant cell, animal cell and a bacterial 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? ...................
______ lacks a nucleus.
Define the following term:
Nucleus
