How do macrophages recognise a bacteria

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Reference no: EM133278858

Assignment:

There are 5 main types of leucocytes that play an important role in protecting the body from attack by foreign pathogens. How do macrophages assist in alerting lymphocytes to the presence of a foreign pathogen in the body.

Part A. How do macrophages recognise a bacteria and present antigen to a B lymphocyte?

Part B. How does a B lymphocyte respond when it is supplied with an antigen for the first time.

Part C. What takes place when these cells are supplied with an antigen for the second time.

Reference no: EM133278858

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