Eukaryotic Flagella Differ from Prokaryotic Flagella in That ________

Eukaryotic flagella differ from prokaryotic flagella in that ________.

A) they are thicker, they are covered by membrane and they contain microtubules
B) they are thinner, they contain microfilaments and they are not involved in motility
C) they are thicker, they are made of the protein flagellin and they move in a 360^o rotation
D) they are thinner, they have a basal body and a hook, and they contain a 9 + 2 arrangement of microtubules