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प्रश्न
Why is mitosis called equational division?
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उत्तर
- Chromosomes multiply and equally distribute between the two daughter nuclei during mitosis, a type of cell division that results in daughter cells that have the same number and kind of chromosomes as the parent cell.
- Thus, the term equational division is used to describe mitosis.
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संबंधित प्रश्न
Distinguish cytokinesis from karyokinesis.
What is G0 (quiescent phase) of cell cycle?
Cells in the quiescent stage (Go)
Name the stage of mitosis in which chromosomes are arranged on the equator of spindle:
Match List - I with List - II.
| List I | List II | ||
| (a) | S phase | (i) | Proteins are synthesized |
| (b) | G2 phase | (ii) | Inactive phase |
| (c) | Quiescent stage | (iii) | Interval between mitosis and initiation of DNA replication |
| (d) | G1 phase | (iv) | DNA replication |
Choose the correct answer from the options given below.
The fruit fly has 8 chromosomes (2n) in each cell. During the interphase of Mitosis if the number of chromosomes in G1 phase is 8, what would be the number of chromosomes after the S phase?
Cell division cannot be stopped in which phase of the cell cycle?
Mitosis is characterised by ______.
Cells which are not dividing are likely to be at ______.
Between a prokaryote and a eukaryote, which cell has a shorter cell division time?
Which part of the human body should one use to demonstrate stages in mitosis?
It is said that the one cycle of cell division in human cells (eukaryotic cells) takes 24 hours. Which phase of the cycle, do you think occupies the maximum part of cell cycle?
Label the diagram and also determine the stage at which this structure is visible.
Comment on the statement – Telophase is reverse of prophase.
Name the phase of the cell cycle at which the following event occurs:
Pairing between homologous chromosomes takes place.
Match List I with List II:
| List I | List II |
| A. M Phase | I. Proteins are synthesised |
| B. G Phase | II. Inactive phase |
| C. Quiescent stage | III. Interval between mitosis and initiation of DNA replication |
| D. G, Phase | IV. Equational division |
Choose the correct answer from the options given below:
