For a long time, it was thought that cilia on most cells were unimportant or _________, despite their presence on almost all cells.This idea arosebecause the cilia on most cells are non-motile, and itwas assumed that motility was the key function of cilia.
A)flagellar
B)execrable
C)ciliopathic
D)vestigial
E)vestibular

Question

Quizplus · Accepted Answer

The word "vestigial" means having lost its original function or no longer necessary for survival. The sentence suggests that cilia on most cells were thought to be unimportant or lacking in function, which fits the definition of vestigial.

For a Long Time, It Was Thought That Cilia on Most