Which of the following is true about microtubules?
They are a key component of the contractile ring formed during cytokinesis
They associate with various motor proteins, such as myosin
They maintain a regulated ADP/ATP gradient that assists in motility
They are found in a "9+2" structure in eukaryotic axonemes
The cytoskeleton acts as a scaffold for the cell and maintains cellular integrity. Which of the following is a component of the cytoskeleton?
Actin filaments
Flagella
Myosin filaments
Spindle complexes
Cilia
