21. The Immune System
Introduction to T Lymphocytes
Multiple Choice
Multiple ChoiceWhat is the importance of the variable region of T-cell receptors?
A
The variable region is the closest region to the cell’s surface and stabilizes the receptor in the plasma membrane.
B
The variable region directly binds to antigens.
C
The variable region varies in its amino acid sequence allowing different TCRs to bind different antigens.
D
The variable region directly binds to antibodies.
E
A and B.
F
B and C.
G
C and D.
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