Let's take a look at how to observe cells under a microscope. No prizes for guessing the first thing you'll need: a microscope. But don't worry if you don't have one of your own. Ask your school ...

Figure 1: Specific cell associations that define the stages of the cycle of the seminiferous ... tubules are observed under a transilluminating dissection microscope (Supplementary Figure 1 ...

The Domino and Clock Models of Cell Cycle Regulation Different models of cell cycle regulation converged when scientists realized that different model organisms shared the same molecules.