Question

Spindle fibres are made of

• A. Actin protein and RNA
• B. Cellulose and RNA
• C. Tubulin protein and RNA
• D. Both A and C

Answer 1

The correct option is C

Tubulin protein and RNA

The correct option is C

The explanation of the correct option :

1. During cell division, spindle fibres form a protein structure that divides a cell's genetic material or chromosomes.
2. Spindle fibres are formed during prophase of the cell cycle from centrioles located at opposite ends of dividing cells.
3. Spindle fibres attach to chromosome kinetochores and pull sister chromatids toward opposite ends to separate them.

Final Answer : Spindle fibres are made of Tubulin protein and RNA