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