Which amongst the following is a protein used for the formation of spindle fiber?
A
Myosin
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B
Tubulin
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C
Troponin
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D
Myoglobin
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Solution
The correct option is C Tubulin Myosin and troponin are proteins found in vertebrate and used for contraction of muscles. Myoglobin is the protein used for storage of oxygen in vertebrates. Spindle fibres are made of tubulin protein. It is the building block of microtubules which helps in the formation of the cytoskeleton.