Several cellular structures of eukaryotes facilitate movement: flagella, cilia, the cytoskeleton and centrioles. Which of the following is a feature common to all of them?
A) enclosed in a lipid bilayer
B) composed of glycoproteins
C) powered by a proton (hydrogen ion) gradient
D) composed of tubulin microtubules
E) composed of flagellar proteins

Question

Quizplus · Accepted Answer

All these structures are composed of tubulin microtubules, which are a key component of the cytoskeleton and are involved in the movement and structural integrity of eukaryotic cells.

Several Cellular Structures of Eukaryotes Facilitate Movement: Flagella, Cilia, the Cytoskeleton