Explain dendritic cells
Explain what are dendritic cells?
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Cells that help in presentation of antigen to cell throughout primary immune response are termed as dendritic cells. They contain no phagocytic activity and are extremely polymorphic. They are existed in peripheral lymphoidal organs mainly in the germinal centers of lymph and spleen nodes.
How does the large biological diversity protect the ecosystem from environmental damages? Also explain why are less bio-diverse ecosystems are under the risk of suffering of the deep biological harms in case submitted to even small changes?
PAM Matrices: PAM matrices is Percentage of Acceptable point Mutations, developed by Dayhoff mutation data matrix. He developed this method along with his co-workers during analysis of the evolution of proteins. This gives the probability of one amino
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Which valve separates the duodenum from the stomach? Specify its function?
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Explain in short regarding cytokines?
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