Antibodies:
-Secreted by ❌ and produced in response to a specific (foreign) non-self antigen
-B-lymphocyte's receptor site matches the non-self-antigen
-Each antibody is produced by one type of B-lymphocyte for only one type of antigen
-An antibody is ❌
B cells divide and form memory cells and antibody-secreting plasma cells:
-❌ makes pathogens clump together
-❌ neutralise toxins produced by bacteria
-❌ digests bacterial membrane, killing the bacterium
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B-lymphocytes
B-lymphocytes
T-lymphocytes
T-lymphocytes
Plasma cells
Plasma cells
Agglutination
Agglutination
Cell membrane
Cell membrane