Review of immunology. Continuing with T Cells. This lecture contains videos presenting the T cell receptor structure, function and pathology. A comparison with the immunoglobulins is also presented. Finally a brief introduction is made for the DNA rearrangement for variable regions. A high yield topic and an important basis to understand SCID (Sever Combined Immuno-deficiency.)
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Every once in a while a bolt gets stuck or you make a mistake and round out a bolt head. It happens. We’ve helped plenty of folks in this situation get out of jam by following a few easy tricks. Let pro mechanic Greg O’Keeffe show you how to remove that stripped bolt in this episode of Ask a Mechanic.