Textbook Question
Perforins are proteins associated with the activity of
(a) T cells
(b) B cells
(c) NK cells
(d) Plasma cells
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21. The Immune System
Introduction to T Lymphocytes
Multiple Choice
CD markers differentiate the two types of effector T cells. Cytotoxic T cells have _________ markers while helper T cells have _________ markers.
A
CD3; CD4.
B
CD4; CD5.
C
CD8; CD6.
D
CD8; CD4.
Verified step by step guidance1
Understand that CD markers are molecules on the surface of immune cells that help differentiate between different types of T cells.
Recognize that cytotoxic T cells are a type of effector T cell responsible for directly killing infected cells.
Identify that cytotoxic T cells are characterized by the presence of CD8 markers on their surface.
Understand that helper T cells are another type of effector T cell that assist other cells in the immune response.
Identify that helper T cells are characterized by the presence of CD4 markers on their surface.
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