You have full access to this article via your institution. Surface-area regulation is a little explored facet of cell motility, yet is likely to be crucial. Progress would be made if we could develop ...

Before starting this guide, it may be helpful to read the guide from Module 3 (M3) on perimeter, area and volume involving sectors, cylinders, cones and spheres. \(\text{area} = ...

When you are doing division, it's helpful to use a written method. This can be especially useful if the numbers get too big to calculate in your head. If the number you are dividing by (this is called ...