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प्रश्न
Which of the phases of cell cycle is of longest duration?
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उत्तर
The interphase of the cell cycle is of the longest duration. Its time period is generally 18 - 20 hours.
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संबंधित प्रश्न
Distinguish cytokinesis from karyokinesis.
Why is mitosis called equational division?
Analyse the events during every stage of cell cycle and notice how the following two parameters change.
- Number of chromosomes (N) per cell
- Amount of DNA content (C) per cell
Cells in the quiescent stage (Go)
Most cytogenic activities occur during
Name the stage of mitosis in which chromosomes are arranged on the equator of spindle:
The centriole undergoes duplication during ______
Cell division cannot be stopped in which phase of the cell cycle?
Mitosis is characterised by ______.
Between a prokaryote and a eukaryote, which cell has a shorter cell division time?
Which tissue of animals and plants exhibits meiosis?
Which part of the human body should one use to demonstrate stages in mitosis?
While examining the mitotic stage in a tissue, one finds some cells with 16 chromosomes and some with 32 chromosomes. What possible reasons could you assign to this difference in chromosome number. Do you think cells with 16 chromosomes could have arisen from cells with 32 chromosomes or vice versa?
Two key events take place, during S phase in animal cells, DNA replication and duplication of centriole. In which parts of the cell do events 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:
Pairing between homologous chromosomes takes place.
Spindle fibers attach to kinetochores of chromosomes during ______.
