Centrioles, cilia, microtubules and microvilli are all structures present in eukaryotic cells. Which statement about these cell structures is correct?
- ACentrioles, cilia and microvilli are composed of microtubules.
- BCentrioles play a role in mitosis and semi-conservative DNA replication.
- CCilia and microvilli both increase the cell surface area for absorption.
- DMicrotubules are made of protein and form the spindle in mitosis.