Intermediate Filaments

Question 1

Structure

Answer 1

Filaments are formed by polymerization of tetratic subunits that differ chemically

Question 2

Diameter

Answer 2

8-10 nm

Question 3

Protein subunit

Answer 3

Variable proteins

Question 4

Location in the cell

Answer 4

Cytoplasm and nuclear envelope

Question 5

Lm

Answer 5

Cannot be seen except by immunofluorescent techniques

Question 6

Function

Answer 6

Cytokeratin present in epithelial tissues
Vimentin present in connective tissue and muscle tissue
Destin in muscles tissues
Nuerofilaments in nervous tissue
Gfap in glial cells
Lamins in nuclear envelope