Cytoskeleton Components

Question 1

What are microtubules made of and what are its functions?

Answer 1

They are made of globular tubulin & their functions include maintaining cell shape& motility, chromosome movements in cell division, & organelle movements

Question 2

What are microfilaments made of and what are its functions?

Answer 2

They are made of actin & their functions include maintaining cells shape, bears tension, changes cell shape, muscle contraction, cell division (animal cells)

Question 3

What are Intermediate Filaments made of and what are its functions?

Answer 3

They are made of fibrous keratin & their functions include maintenance of cell shape, anchorage of nucleus & other organelles, forms nuclear lamina. Also permanent part of cytoskeleton

Question 4

List components smallest to biggest

Answer 4

Microfilaments, Intermediate Filaments, Microtubules