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Nuclear membrane, ER, Golgibody, Nucleus...

Nuclear membrane, ER, Golgibody, Nucleus reapears in which stage of karyokinesis :-

A

Prophase

B

Metaphase

C

Anaphase

D

Telophase

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The correct Answer is:
To determine in which stage of karyokinesis the nuclear membrane, endoplasmic reticulum, Golgi body, and nucleus reappear, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Karyokinesis**: Karyokinesis is the process of nuclear division that occurs during cell division. It consists of several stages: prophase, metaphase, anaphase, and telophase. 2. **Identifying the Stages**: - **Prophase**: This is the first stage where the chromatin condenses into visible chromosomes, and the nuclear membrane begins to break down. Organelles like the nuclear membrane, endoplasmic reticulum, and Golgi apparatus disappear. - **Metaphase**: In this stage, chromosomes align at the equatorial plane of the cell. The nuclear membrane is still absent, and the organelles do not reappear. - **Anaphase**: During anaphase, the sister chromatids are pulled apart to opposite poles of the cell. The nuclear membrane is not present in this stage either. - **Telophase**: This is the final stage of karyokinesis. Here, the separated chromatids reach the poles, and the nuclear membrane begins to reform around each set of chromosomes. The endoplasmic reticulum and Golgi apparatus also reappear during this stage. 3. **Conclusion**: Based on the analysis of each stage, the nuclear membrane, endoplasmic reticulum, Golgi body, and nucleus reappear during the **telophase** stage of karyokinesis. ### Final Answer: The correct answer is **telophase** (Option 4). ---
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ALLEN-BIOLOGY AT A GLANCE-Cell Biology
  1. In a diploid cell before-s-phase quantity of DNA is 40 picogram (pg) a...

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  2. If the cell had 4n number of chromosome at G(1), after s phase the num...

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  3. Nuclear membrane, ER, Golgibody, Nucleus reapears in which stage of ka...

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  4. Which phase of prophase-I represents the transition to metaphase I ?

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  5. Bivalents arrange on equator (congression) of cell to form :-

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  6. Interkinesis is present between ........... .

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  7. The term meiosis was given by :-

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  8. In which type of cell division, chromosome number becomes halved in da...

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  9. Which one of the following statement is correct

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  10. Recombination process occur between ..................

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  11. Nuclear membrane and Nucleolus will disappear at the end of :

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  12. Which enzyme is responsible for recombination process in meiosis-I ?

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  13. What is the significance of meiosis :-

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  14. The chromosome "B" in this diagram is :-

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  15. Match the Column -I and Column-II and select the correct answer :-

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  16. Normally one cell contain nucleus ?

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  17. function of nuclear pores is ..............

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  18. Which option provide correct information regarding the nucleus.

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  19. The name chromatin was coined by

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  20. Ribosomal subunits and rRNA are synthesized in which site of nucleus ?

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