Question

1. microtubules have what shape and do what jobs for the cell?

Explanation:

Microtubules are hollow - cylindrical structures. They are involved in cell - division (forming the mitotic spindle), intracellular transport (serving as tracks for motor proteins), and maintaining cell shape.

Answer:

Shape: Hollow - cylindrical. Jobs: Involved in cell - division, intracellular transport, and maintaining cell shape.