What is clonal selection? - MyTutor
What is clonal selection? Clonal selection is a part of human immune response where specific B or T-helper lymphocytes are chosen to undergo clonal expansion B-lymphocytes and T-helper …
What is the difference between the primary and secondary ... - MyTutor
In a primary immune response the active immune system must first recognise the pathogen via B-lymphocyte cells with antibodies on their surface that are complementary to the antigens of the …
How does a vaccine lead to the production of antibodies and why does ...
How does a vaccine lead to the production of antibodies and why does this provide immunity?
Describe how vaccination can lead to protection against ... - MyTutor
The bacterial meningitis antigens are then presented on the macrophage cell surface membrane. Macrophages present these antigens to T lymphocytes causing clonal selection of the T lymphocyte …
Describe how the presentation of a virus antigen on a cell ... - MyTutor
Helper T cells bind to the antigen on the antigen-presenting phagocyte (1). This helper T cell stimulates a specific B cell to undergo clonal selection (2) and these cells then form plasma cells that release …
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How do B-Lymphocytes Work? - MyTutor
Activation Binding of an antigen stimulates endocytosis and antigen presentation via an MHC II (Major Histocompatibility Complex 2) molecule.Activated B-Cells then undergo clonal expansion (the …