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Which of the following pstatements is co...

Which of the following pstatements is correct ?

A

Animals can sow mitotic divisions in both haploid and diploid cells.

B

After S phase the number of chromosomes becomes double i.e., 2n to 4n.

C

During the `G_(2)` phase, proteins are synthesised in preparation for mitosis while cell growth continues.

D

S or synthesis phase marks the period during which RNA synthesis takes place.

Text Solution

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The correct Answer is:
C

Animals can show mitotic divisions only in diploid cells. After S phase the number of chromosmes remains the same i.e., 2n S or synthesis phase marks the period during which DNA systhesis takes place.
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NCERT FINGERTIPS-CELL CYCLE AND CELL DIVISION-Cell Cycle And Cell Division
  1. Cell would normally proceed to mitosis without interruption

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  2. The cells that do not divide further, exit G(1) phase to enter an inac...

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  3. Which of the following pstatements is correct ?

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  4. In which of the following stages, a choromosome is minimum coiled?

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  5. Which of the following statements is correct regarding G(0) phase?

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  6. Best material for studying mitosis in laboratory is

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  7. Mitotic spindle is mainly composed of proteins.

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  8. Microtubules are absent in

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  9. Centrosome undergo duplication during (i) of (ii) and begin to move to...

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  10. is the best stage to count the number and study the morphology of chro...

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  11. is characterised by all the chromosomes coming to lie at the equator, ...

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  12. Read the following statements. (i) In mitotic cell division chromoso...

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  13. You are provided with floral buds of Chrysanthemum in your class and a...

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  14. During karyokinesis, the spindle fibres get attached to condensing chr...

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  15. Identify the structure indicated by labels (i),(ii),(iii) and (iv) and...

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  16. Which of the following statements is not correct regarding colchicine?

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  17. Colchicine is a cell pison which arrests cell division at and can ind...

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  18. Spindle formation can be disrupted by exposing cell to the microtubule...

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  19. At which stage of mitosis, the two daughter chromatids separate from e...

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  20. During anaphasic movements of chromosomes, of each chromosome is/are ...

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