Multiple Choice
In adaptive immunity, what event most directly initiates activation of a naïve T cell?
21. The Immune System
T Cells
Struggling with Cell Biology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In a typical adaptive immune response, naïve T-cell activation requires which of the following?
A
Recognition of free (soluble) antigen by the T-cell receptor without MHC presentation
B
Binding of IgG Fc regions to the T-cell receptor as the primary activation signal
C
Recognition of peptide antigen on MHC by the T-cell receptor plus a costimulatory signal (e.g., CD28 binding B7)
D
Antigen binding to MHC class I on the T cell itself without costimulation
Related Videos
Related Practice
