Question

Cytoskeleton is made up of

• A. Cellulose microfibrils
• B. Proteinaceous filaments
• C. Calcium carbonate granules
• D. Callose deposits

Answer 1

Answer: (B)

Proteinaceous filaments

Cytoskeletal structures are fibrous or fine tubular structures which constitute the supportive structures of the cell. The term cytoskeleton was first coined by Koltzoff in 1928. Cytoskeletal structures are of three types Microtubules, microfilaments and intermediate fibres. The are made up of proteins like tubulin, actin, desmin, myosin etc.