Title: Optional

Text: Cells are small and complex. It is hard to see their structure, hard to discover their molecular composition, and harder still to find out how their various components function. What we can learn about cells depends on the tools at our disposal, and major advances have frequently spring from the introduction of new techniques. To understand contemporary cell biology, therefore, it is necessary to know something of its methods. Each paragraph will be a test.

Save test: Use this if you want to share this typing test (only for authenticated users).