Which of the Following Is Required for T-Cell Activation

Multiple Choice

Which of the following is required for T-cell activation?

A) Antigen-specific TCR binding to MHC peptide
B) Expression of CD4⁺ or CD8⁺
C) Interaction with CD80, CD86, or ICOS-L
D) Both antigen-specific TCR binding to MHC peptide and expression of CD4⁺ or CD8⁺ are correct.
E) Both antigen-specific TCR binding to MHC peptide and Interaction with CD80, CD86, or ICOS-L are correct.