Microfilaments Differ from Microtubules in That Microfilaments

Multiple Choice

Microfilaments differ from microtubules in that microfilaments

A) are thicker than microtubules.
B) are found only in plants, whereas microtubules are found in both plant and animal cells.
C) are mainly composed of actin, whereas microtubules are composed of tubulin.
D) help to anchor organelles, whereas microtubules primarily function to help cells change shape and move.