3.6 Specific Cellular Defences Against Pathogens Flashcards
Which type of white blood cells are responsible for the specific immune response?
Lymphocytes
Which structure on the surface of pathogens do the immune cells recognise?
Antigens
What triggers clonal selection?
Binding of antigens to lymphocyte receptors
What category of biomolecule are antigens are example of?
Proteins
Which type of lymphocyte make antibodies?
B Lymphocyte (plasma cell)
Which type of lymphocyte targets infected body cells?
Cytotoxic T Cells
Other lymphocytes are activated by which WBC?
Helper T Cells
What causes an allergic response?
Antibodies are made against a harmless substance such as pollen
What is the term for programmed cell death?
Apoptosis
What causes autoimmune disease?
T lymphocytes responding to self-antigens
Which pathogen targets T lymphocytes
HIV
What disease is caused by the depletion of T lymphocytes
Acquired Immune Deficiency Syndrome (AIDS)