Question

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T cells mature in the thymus gland in response to that is secreted by the thymus gland. When a T cell leaves the thymus it has a unique These T cells are not able to recognize foreign invaders called _without help. The invader has to be presented to the T cell in a specific way by an __ protein. Immunity mediated by T cells and Tc cells is referred to as _immunity. Antigen presenting cells such as play an important role in _cells or initiating this immune response. These phagocytic cells will internally break apart the pathogen they have ingested and display part of it on its MHC class_ binding groove. Th cells recognize this type of MHC and produce __ to help activate____ cells as well as B cells. A Tc can also display fragments of an antigen in the grove of its MHC class ___binding groove. In this case a Tc cell will undergo with the same antigen specificity. Some of these Tc cells will remain in your body after the virus has been cleared. These cells are known as How do B cells, Th and Tc cells use molecular shape to protect the body from antigens? (1 mark) A) B & T cells are quaternary level proteins B) Different antigens must fit into the receptor of a B cell in order for the B cells to be activated. C) T cell receptors match antigen that is in an MHC I or II. D) Both B & D are correct.

Answer 1

Ansklero T cells Mature in the thymus gland' ponse to "Produce thymosin" that is secreted by the thymus gland, when a T cells leaves the thymus it has unique impunity. The inradea's has to be a be presented to the T cell in a specific way by an "MICH proteins". Immunity mediated by TH cells and Te cells is reffoa to as "cell mediated immunity" Antigent presenting cells such as "dendritic cells, Beell and Placoophages" has an important sole in initiating this inmune sesponse. These phagocytic cells will internally break apaat the pathogen then have ingested and dis play past of it on it's MICH class "peptide binding gooore" The cells recognize this type of mine and produce "Cytokinens" to help activate T cytotoxic cells as well as B cells.

- An TC can also of an antigen in the display groove fragments MCH class " peptide binding groove In this Case a Tc cells will undes go "apoptosis with the same antigen sepcificity. Some of these Tc cells will remain ingois body aftes the visus has been cleared. It is known as "killea T-cells.