Multiple choice

________ are hollow.

  1. Microtubules

  2. Microfilaments

  3. Both A and B

  4. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Microtubules are a component of the cytoskeleton found throughout the cytoplasm. In eukaryotes, microtubules are long and hollow cylinders made up of polymerised α- and β-tubulin dimers.