A Mutation in the Gene for CD4 Leads to the Production

question 95

Multiple Choice

A mutation in the gene for CD4 leads to the production of nonfunctioning CD4 proteins in the plasma membrane of a helper T cell.What role would the helper T cell be unable to perform?

• A)response to T-independent antigens
• B)lysing tumor cells
• C)stimulating a cytotoxic T cell
• D)interacting with a class I MHC-antigen complex
• E)interacting with a class II MHC-antigen complex