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Mitotic spindle is mainly composed of wh...

Mitotic spindle is mainly composed of which protein?

A

Actin

B

Actinomyosin

C

Myoglobin

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
D
Chemically, spindle is made of tubulin (90-95%), RNA (3-5%) and traces of actin, myosin and lipid.
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DINESH PUBLICATION ENGLISH-CELL CYCLE (CELL DIVISION)-REVISION QUESTIONS
  1. Chemical for arresting cell division is extracted from

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  2. In metaphase of mitosis, the chromosomes

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  3. Mitotic spindle is mainly composed of which protein?

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  4. A short phase may intervene between Meiosis I and Meiosis II. It is ca...

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  5. In pachytene stage of meiosis the chromosomes are

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  6. Phase of cell cycle when DNA polymerase is active

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  7. Meiosis II fails after completion of meiosis I. The phenomenon is

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  8. Select the CORRECT diagram that shows the anaphase-I stage.

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  9. 'Post-mitotic phase'' of the cell in which active synthesis of RNA and...

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  10. The two chromatids of a metaphase chromosome represent

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  11. During meiosis, replication of chromosomes occurs in

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  12. If the diploid number of chromosomes is 40, then number of chromosome ...

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  13. After mitosis, the number of chromosomes in the daughter cells shall b...

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  14. In the beginning of meiosis, a meiocyte has 16 pg of DNA . The amount ...

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  15. Post mitotic gap phase and synthetic phases of cell cycle are also res...

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  16. DNA duplication takes place during :

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  17. Azides and cyanide inhibit

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  18. Brachymeiois consists of

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  19. Pairing of homologous chromosomes in zygotene is

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  20. Genetic recombination occurs during

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