Spindle fibres are made up of

Proteins

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Cellulose

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Lipids

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Pectin

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Solution

The correct option is A Proteins
Spindle fibres are the threadlike structure which is made up of microtubules. Microtubule is a type of cytoskeleton protein made of protein subunits known as tubulin. These originate from the centrioles during cell division and helps in the movement of chromosomes towards the pole.
So, the correct answer is option A.

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