EASY
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Earn 100

Spindle formation can be disrupted by exposing cell to the microtubule poison such as
(a)high concentration of oxygen
(b)vitamin
(c)cholesterol
(d)colchicine

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Important Questions on Cell Cycle and Cell Division
MEDIUM
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IMPORTANT
At which stage of mitosis, the two daughter chromatids separate from each other, migrate towards the opposite poles and are now referred to as chromosomes of the future daughter nuclei?

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During anaphasic movements of chromosomes, _____ of each chromosome is/are towards the pole and _____ of the chromosome trail(s) behind.

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Select the correct match, regarding different stages off cell cycle.

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The separation of two chromatids of each chromosome at early anaphase is initiated by ____. State the reason responsible for separation of the chromatids.

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Match column I with column II and select the correct option from the given codes.
Column I | Column II | ||
---|---|---|---|
(a) | —shaped at anaphase | (i) | Acrocentric chromosome |
(b) | —shaped at anaphase | (ii) | Metacentric chromosome |
(c) | —shaped at anaphase | (iii) | Telocentric chromosome |
(d) | —shaped at anaphase | (iv) | Sub-metacentric chromosome |

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Which of the following is key event of anaphase of mitotic division?

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Select the incorrect match regarding mitotic cell division.
(i) | Prophase | Chromosomes begin to uncoil |
---|---|---|
(ii) | Metaphase | Chromatids move apart |
(iii) | Telophase | The nuclear membrane reappears |
(iv) | Late anaphase | Each chromosome consists of two anaphase chromatids |
(v) | Interphase | Chromosomes are not distinct |

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What is true about telophase stage of mitosis?
