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What will be the direct result of the interaction shown in this figure? CD4 TCR CD28 Epitope CD80 (or CD86) MHC II АРС activation of a helper T cell activation of a cytotoxic T cell activation of a B cell activation of a antigen presenting cell

What will be the direct result of the interaction shown in this figure? CD4 TCR CD28 Epitope CD80 (or CD86) MHC II АРС activation of a helper T cell activation of a cytotoxic T cell activation of a B cell activation of a antigen presenting cell

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question:** What will be the direct result of the interaction shown in this figure? **Diagram Explanation:** The diagram illustrates the interaction between a T-cell and an antigen-presenting cell (APC). Key components labeled in the diagram include: - **TCR (T-cell receptor):** This receptor on the T-cell surface recognizes the epitope. - **Epitope:** The part of the antigen that is recognized by the TCR. - **CD4:** A coreceptor on the T-cell that interacts with MHC II. - **CD28:** A costimulatory receptor on the T-cell that binds to CD80 or CD86 on the APC. - **MHC II:** Major Histocompatibility Complex class II, a molecule on the APC that presents the antigen. - **CD80 (or CD86):** Costimulatory molecules on the APC that bind to CD28. **Answer Options:** - ○ activation of a helper T cell - ○ activation of a cytotoxic T cell - ○ activation of a B cell - ○ activation of an antigen presenting cell This interaction, specifically involving CD4, indicates the activation of a helper T cell.
Transcribed Image Text:**Question:** What will be the direct result of the interaction shown in this figure? **Diagram Explanation:** The diagram illustrates the interaction between a T-cell and an antigen-presenting cell (APC). Key components labeled in the diagram include: - **TCR (T-cell receptor):** This receptor on the T-cell surface recognizes the epitope. - **Epitope:** The part of the antigen that is recognized by the TCR. - **CD4:** A coreceptor on the T-cell that interacts with MHC II. - **CD28:** A costimulatory receptor on the T-cell that binds to CD80 or CD86 on the APC. - **MHC II:** Major Histocompatibility Complex class II, a molecule on the APC that presents the antigen. - **CD80 (or CD86):** Costimulatory molecules on the APC that bind to CD28. **Answer Options:** - ○ activation of a helper T cell - ○ activation of a cytotoxic T cell - ○ activation of a B cell - ○ activation of an antigen presenting cell This interaction, specifically involving CD4, indicates the activation of a helper T cell.
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