Which among the following would you find in a eukaryotic nucleus?
A
Nuclear membrane
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B
Chromatin
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C
Nucleolus
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D
All of the above
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Solution
The correct option is D All of the above The nucleus is a double membraned organelle containing the genetic material in a eukaryotic cell. It is the largest cell organelle in animal cells. A nucleus at rest or in a non-dividing phase shows the following parts:
Nuclear membrane: Consists of the outer and inner membrane. It is also called the nuclear envelope.
Nucleoplasm: It is a transparent, semi-fluid substance enveloped by the nuclear membrane. It contains the chromatin and the nucleolus.
Nucleolus: It is a roughly spherical structure present inside the nucleus. It mainly serves as a site for ribosomal RNA synthesis.
Chromatin: These are the thread-like structures present in a nucleus. Chromatin is a complex of DNA and proteins. Before cell division, chromatin coils and condenses to form chromosomes.