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...division and differentiation. This process is described in Video 3 below. DAVID MALE: In this video, I will outline how T cells and B cells cooperate in antibody production. Here we have a population of mature B cells expressing surface antibody and T cells with T cell antigen receptors on their surface. At any one time in a population of lymphocytes, there will be...

...divisions are relatively rigid, project work can be handed from one functional team to another in order to complete the work. For example, work on a new product can pass from marketing, which has the idea, to research and development, which sees whether it is technically feasible, thence to design and finally manufacturing. This is sometimes known as 'baton passing' –...

...division and programmed cell death. Often several types of response may occur following a single stimulus, in a coordinated manner, and over different timescales. Within a multicellular organism, a given cell is exposed to many different extracellular signals at any one time. The cell's ultimate response depends on the appropriate integration of these signals and on what...

...division for the buckets in Figure 15. It is possible that people in both the 1720–1739 mm and 1740–1759 mm buckets have exactly the same preference, and that 40 mm buckets would be appropriate. However, since Activity 8 showed that anything less than a 20 mm change didn’t make a noticeable difference, a 20 mm range in height seems quite reasonable...An introduction...

...divisions on the axis of a graph or the degree markings on a thermometer. Value: A numerical amount...More working with charts, graphs and tables: Further reading - *The Good Study Guide by Andrew Northedge, published by The Open University, 1990, ISBN 0 7492 00448. Chapter 4 is entitled ‘Working with numbers’ Other chapters are entitled: ‘Reading and note...