1. Put the following steps in the humoral immune response in order (1-first, 6-l
ID: 262257 • Letter: 1
Question
1. Put the following steps in the humoral immune response in order (1-first, 6-last) Antibody on surface of B cells binds antigen. Antigen breakdown products bind major histocompatibility complex 1 protein and are "displayed" on B cell surface. T cell secretes cytokines which stimulate B cell. Antigen-antibody complex is internalized and processed. Helper T cell binds antigen via its T-cell receptor. B cell divides and differentiates into plasma cells and memory cells. B, which steps ensure that this particular immune response will be specific for the current pathogen, and not some other pathogen?Explanation / Answer
1.
i. Antibody on the surface of B-cell recognizes and bind to the antigen.
ii. Internalization and processing of the antigen
iii. Antigen breakdown products are displayed on B-cell surface
iv. Helper T-cells binds to the displayed antigen
v. T-cells secrete cytokines that stimulate B-cell
vi. B-cell divides and differentiates.
2. Specificity is provided at the very first step of the antigen-antibody recognition.
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