Cell Cycle and Cell DivisionHard

Question

Mitotic spindle is mainly composed of which protein?

Options

A.Actin
B.Myosin
C.Actomyosin
D.Myoglobin

Solution

Spindles formed during mitosis and mitosis are nothing but microtubule complex. Microtubules are made up of small units of tubulin whin has amino acid composition similin which has amino acid composition similar to actin.
Myosin : A protein that makes up the thick myofilaments in muscle fibre.
Actomyosin : Complex formed when the pure proteins actin and myosin are mixed.
Myoglobin : Conjugated protein of vertbrate′s striated and cardiac muscle fibres.

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