The cytoskeleton is a kind of scaffolding present in all cells. It is made of protein.
ð ə WORD_BOUNDARY s aɪ t ə s k ɛ l ɪ t ə n WORD_BOUNDARY ɪ z WORD_BOUNDARY ʌ WORD_BOUNDARY k aɪ n d WORD_BOUNDARY ʌ v WORD_BOUNDARY s k æ f oʊ l d ɪ ŋ WORD_BOUNDARY p ɹ ɛ z ə n t WORD_BOUNDARY ɪ n WORD_BOUNDARY ɔ l WORD_BOUNDARY s ɛ l z WORD_BOUNDARY ɪ t WORD_BOUNDARY ɪ z WORD_BOUNDARY m eɪ d WORD_BOUNDARY ʌ v WORD_BOUNDARY p ɹ oʊ t iː n WORD_BOUNDARY