WebLymphocytes are another type of white blood cell. They recognise proteins on the surface of pathogens called antigens . Lymphocytes detect that these are foreign not naturally occurring within ... WebClonal 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 lymphocytes have unique and specific antigen receptors on their cell surface membranes. Each cell will have a slightly different type of antigen receptor.
AQA A level Biology Immunology Flashcards Quizlet
WebFeb 22, 2024 · pdf, 24.78 KB. AQA biology A level, revision flow charts: the formation of T and B lymphocytes, their action and control; humoral response, cell mediated response, humoral immunity, cell mediated immunity, primary and secondary response. Teacher or students can make their own comprehension questions related to the flow charts, peer … Webspecific (B & T lymphocytes) = needs complementary pathogen nonspecific = immediate, dont need comp pathogen specific = time lag, need comp pathogen Name the 2 types of specific immune response. cell-mediated humoral How does phagocytosis destroy pathogens? 1. Phagocyte recognises foreign antigens. 2. christopher lowell collection
AQA A-level Biology 5 Cell Recognition and the Immune System - Quizlet
WebApr 30, 2024 · 0% Complete 0/2 Steps. A Level Biology – α and β–glucose polysaccharides, glycogen, starch and cellulose. A Level Biology – Benedict’s test for reducing sugars, non-reducing sugars and starch. A level biology – Monosaccharides, disaccharides and polysaccharides. A level biology α-glucose and β–glucose and their … WebThe immune system is organized differently. It is spread around our body. And its main drivers are not organs, but immune cells. And these immune cells, in their turn, perform a variety of functions: destroy pathogens. destroy infected, damaged and old cells. destroy potential cancer cells. produce antibodies. WebT lymphocytes attach onto infected cells and release proteins. These proteins diffuse into the infected cells. This causes production of self-destructive enzymes, which cause cell death. getting your sense of taste back