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Earn 100

Spindle fibres are made up of
(a)Lipids
(b)Proteins
(c)Pectins
(d)Cellulose

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Important Questions on Cell Cycle and Cell Division
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Column I | Column II | ||
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(a) | Disintegration of nuclear membrane | (i) | Anaphase |
(b) | Appearance of nucleolus | (ii) | Prophase |
(c) | Division of centromere | (iii) | Telophase |
(d) | Replication of | (iv) | -Phase |

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Two chromatids and one centromere
Two chromatids and two centromeres
Four chromatids and four centromeres
four chromatids and two centromeres

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(i) | Prophase | Chromosomes begin to uncoil |
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(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 |
