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Cd8 t cel - Study guides, Class notes & Summaries

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PCB 3233 Immunology Exam 4 Questions and Answers 100% Verified

  • PCB 3233 Immunology Exam 4 Questions and Answers 100% Verified

  • Exam (elaborations) • 16 pages • 2024
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    • Single Positive - has either CD4 or CD8 CD2 and CD5 - perform adhesion and signaling. They are present during double negative stage Thymocytes rearrange which 3 genes at the same time? - Beta, gamma, and delta pTalpha - surrogate alpha chain. signals cell to halt gamma, delta, Beta chains, gene rearrangement and begin proliferation. What do macrophages do in the thymus? - continually remove dead cells What does TH1 cells do? - Activate macrophages Thymal Stromal Cells - Keeps BCR genes cl...
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Chapter 11 T-Cell Activation, Differentiation, and Memory Final Exam 2024.

  • Chapter 11 T-Cell Activation, Differentiation, and Memory Final Exam 2024.

  • Exam (elaborations) • 9 pages • 2024
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    • Chapter 11 T-Cell Activation, Differentiation, and Memory Final Exam 2024.1. What event initiates an adaptive immune response? A. The interaction of a B cell with a TH cell B. The expression of cytokines CD4 or CD8 C. The production of MHC class I or II molecules D. The interaction of a naïve T cell with an antigen-presenting cell E. The phagocytosis of a pathogen by a macrophage - ANSWER Answer: D Section: Introduction Difficulty: 1 Hint: T-cell activation 2. For pathogen peptide...
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