Intermediate filaments
A)were first discovered in muscle cells.
B)are grouped into five classes based on the cell types in which they are found.
C)have molecular masses averaging 500 kDa.
D)are smooth and sticky.
E)assemble from nonfibrous filaments.

Question

Quizplus · Accepted Answer

Intermediate filaments were first discovered in muscle cells, where they were initially identified as components of the cytoskeleton.

Intermediate Filaments