IFs

Question 1

Nuclear Intermediate filaments

Answer 1

Component polypeptides = Lamins A, B, and C
Location = Nuclear lamina (lining the nuclear envelope)

Question 2

Vimentin-like IFs (V)

Answer 2

Component Polypeptides = Vimentin
Location = Many mesenchyme cells

Question 3

Vimentin-like IFs (D)

Answer 3

Component Polypeptides = Desmin
Location = Muscle cells

Question 4

Vimentin-like IFs (G)

Answer 4

Component Polypeptides = Gilial fibrillary acidic protein
Location = Gilial cells

Question 5

Vimentin-like IFs (P)

Answer 5

Component Polypeptides = Peripherin
Location = some neurons

Question 6

Epithelial IFs (Type I)

Answer 6

Component Polypeptides = Type I keratins (acidic)
Location = Epithelial cells and derivatives

Question 7

Epithelial IFs (Type II)

Answer 7

Component Polypeptides = Type II keratins (neutral/basic)
Location = Epithelial cells and derivatives

Question 8

Axonal IFs

Answer 8

Component Polypeptides = Neurofilament proteins (NF-L, NF-M, NF-H)
Location = Neurons