lecture 11 - Exam 1 Exam returned today TAs will have exams...

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SLIDE # 1 Exam 1 Exam returned today TAs will have exams in discussion just once, next Monday, then you will have to contact me to get your exam back Reading the scantron sheet Left hand column = answers If you missed a question you will see a letter (the answer you chose) to the right of the correct answer Questions about grading should be written out and submitted with your exam – due within 1 week from today
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SLIDE # 2 Lecture 11 Lymphocyte Activation T-cell activation B-cell actvation *Occurs in secondary lymphoid organs
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SLIDE # 3 Activation of lymphocytes in lymph node Mature Naïve, lymphocytes circulate and enter 2 0 lymph organs Chemokines, adhesion molecules allow cells into lymph node Dendritic cells migrate from inflammation to lymph node lymph fluid brings molecules from pathogen “Activation” by antigen results in clonal expansion
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SLIDE # 4 Activation of mature, naïve lymphocytes requires signal 1 and signal 2 Signal 1 comes from the antigen Signal 2 comes from other cells
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SLIDE # 5 T-CELL ACTIVATION
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lecture 11 - Exam 1 Exam returned today TAs will have exams...

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