Q1. If a cube representing the cell is 5um on a side, compute the surface area to volume ratio, and explain why this is or is not a good size for a cell.

Q2. What are the 4 factors that influence contractile force and the two that influence velocity and duration of contraction?

Q3. Clarify and illustrate how the long-term survival or a species depends on resources that may be limited from time to time.