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प्रश्न
What is the average cell cycle span for a mammalian cell?
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उत्तर
In a 24-hour period, it takes only one hour for cell division to be complete in human cells or mammalian cells.
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संबंधित प्रश्न
What is G0 (quiescent phase) of cell cycle?
Why is mitosis called equational division?
Name the phase of the cell cycle at which the following event occurs:
Crossing over between homologous chromosomes takes place.
Most cytogenic activities occur during
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 ______.
Label the diagram and also determine the stage at which this structure is visible.
Mitosis results in producing two cells which are similar to each other. What would be the consequence if the following irregularities occur during mitosis?
Duplication of DNA does not occur
Comment on the statement – Telophase is reverse of prophase.
Name the phase of the cell cycle at which the following event occurs:
Chromosomes are moved to spindle equator.
Name the phase of the cell cycle at which the following event occurs:
Centromere splits and chromatids separate.
Name the phase of the cell cycle at which the following event occurs:
Pairing between homologous chromosomes takes place.
