Q: Given a scientific passage and an answer, generate a question for the given answer.
Passage: 8.7.1 Intermediate Filaments These are rope like filaments, 8-10nm in diameter and tend to give the structural stability to cells. Examples inculude Vimentin, neurofilaments and keratin. It is keratin which priniciply makes up hair, nails and horns. Answer: cells
A:
Intermediate filaments tend to give the structural stability to what?