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Explains the process of gathering forensic material and illustrates this with reconstructions of violent crime. Explains the scope and limitations of the technique. Describes use of DNA fingerprints in...
Introduces the key features of immunity at the whole body and cellular levels, stressing the three crucial properties of adaptive immunity: specificity, memory and tolerance. Begins by demonstrating the...
The two types of molecules on which the specificity of the immune system depends are the antibodies (immunoglobulins) produced by B lymphocytes and the antigen receptors expressed on the surface of T...
Shows the immune system in standby mode, with lymphocytes constantly patrolling the periphery until triggered by a specific encounter with an invader. Shows the response to the invader mounted by those cells...
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