________ are Slender Strands, Usually Composed of the Protein Actin

Question

________ are slender strands, usually composed of the protein actin.
A) Microtubules
B) Thick filaments
C) Microfilaments
D) Myosin filaments
E) Neurofilaments

Accepted Answer

Microfilaments are composed of the protein actin and are slender strands that play a role in cell movement, cell division, and maintaining cell shape. Additionally, they are also involved in muscle contraction, where they interact with myosin filaments. The other options, microtubules, thick filaments, neurofilaments, are made up of different proteins and have different functions within cells.