Class 9 Exam > Class 9 Questions > The nucleus contains __________, which are v...
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The nucleus contains __________, which are visible as rod-shaped structures only when the cell is about to divide.
- a)Genes
- b)Chromosomes
- c)Proteins
- d)Cytoplasm
Correct answer is option 'B'. Can you explain this answer?
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The nucleus contains __________, which are visible as rod-shaped stru...
Chromosomes are structures in the nucleus that contain DNA and protein, visible as rod-shaped bodies when a cell is preparing to divide.
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The nucleus contains __________, which are visible as rod-shaped stru...
Understanding the Nucleus and Chromosomes
The nucleus is a vital organelle found in eukaryotic cells, and it plays a crucial role in the cell's genetic management and replication. Within the nucleus, structures known as chromosomes become visible during cell division.
What are Chromosomes?
- Chromosomes are long, thread-like structures made of DNA and proteins.
- They carry genetic information in the form of genes, which dictate various traits and functions of an organism.
Visibility During Cell Division
- Chromosomes are typically not visible in their compact form during the interphase (the phase when the cell is not dividing).
- As the cell prepares to divide (during prophase of mitosis), chromosomes condense and become tightly coiled, forming distinct rod-shaped structures.
Importance of Chromosomes
- Each species has a specific number of chromosomes that carry essential genetic information.
- During cell division, chromosomes ensure that DNA is accurately replicated and distributed to the daughter cells, maintaining genetic continuity.
Conclusion
In summary, the nucleus contains chromosomes, which are visible as rod-shaped structures only when the cell is about to divide. This visibility is crucial for the processes of cell division, ensuring that genetic material is properly allocated to ensure the survival and functionality of the new cells.
The nucleus is a vital organelle found in eukaryotic cells, and it plays a crucial role in the cell's genetic management and replication. Within the nucleus, structures known as chromosomes become visible during cell division.
What are Chromosomes?
- Chromosomes are long, thread-like structures made of DNA and proteins.
- They carry genetic information in the form of genes, which dictate various traits and functions of an organism.
Visibility During Cell Division
- Chromosomes are typically not visible in their compact form during the interphase (the phase when the cell is not dividing).
- As the cell prepares to divide (during prophase of mitosis), chromosomes condense and become tightly coiled, forming distinct rod-shaped structures.
Importance of Chromosomes
- Each species has a specific number of chromosomes that carry essential genetic information.
- During cell division, chromosomes ensure that DNA is accurately replicated and distributed to the daughter cells, maintaining genetic continuity.
Conclusion
In summary, the nucleus contains chromosomes, which are visible as rod-shaped structures only when the cell is about to divide. This visibility is crucial for the processes of cell division, ensuring that genetic material is properly allocated to ensure the survival and functionality of the new cells.
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The nucleus contains __________, which are visible as rod-shaped structures only when the cell is about to divide.a)Genesb)Chromosomesc)Proteinsd)CytoplasmCorrect answer is option 'B'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about The nucleus contains __________, which are visible as rod-shaped structures only when the cell is about to divide.a)Genesb)Chromosomesc)Proteinsd)CytoplasmCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The nucleus contains __________, which are visible as rod-shaped structures only when the cell is about to divide.a)Genesb)Chromosomesc)Proteinsd)CytoplasmCorrect answer is option 'B'. Can you explain this answer?.
The nucleus contains __________, which are visible as rod-shaped structures only when the cell is about to divide.a)Genesb)Chromosomesc)Proteinsd)CytoplasmCorrect answer is option 'B'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about The nucleus contains __________, which are visible as rod-shaped structures only when the cell is about to divide.a)Genesb)Chromosomesc)Proteinsd)CytoplasmCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The nucleus contains __________, which are visible as rod-shaped structures only when the cell is about to divide.a)Genesb)Chromosomesc)Proteinsd)CytoplasmCorrect answer is option 'B'. Can you explain this answer?.
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