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A collection of videos and experiments that are suitable for Biology.
DTH Response, Genetic Recombination and Gene Mapping, Germinal Centers, Hemagglutinin.

DTH Response
This video describes the actions of memory T cells.
Genetic Recombination and Gene Mapping
This video explains how the frequency of recombination between linked genes can be used to determine the relative location of genes on a chromosome. Thomas Hunt Morgan and Alfred Strutevant used the fruit fly to develop a theory of chromosomal inheritance and discover crossing over.

Germinal Centers
This video describes the formation and function of germinal centers
This video explains the function of hemagglutinin on viruses during infection.
Hemagglutinin has three functions: receptor binding, antigenic variation, and fusion.

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