What is the output of the following program? x=”abc”def f(): x=”def”f()print(x)
What type of cells contain MHC I & MHC II molecules?
What type of cells contain MHC I & MHC II molecules?
An immature T-lymphocyte is able to recognize self-antigen b…
An immature T-lymphocyte is able to recognize self-antigen bound to self-MHC. What is its fate?
What type of T-lymphocyte, upon differentiation, directly at…
What type of T-lymphocyte, upon differentiation, directly attacks virally-infected or tumor cells?
Which of the following can be considered as a first-line def…
Which of the following can be considered as a first-line defense?
Which of the following is the most abundant class of antibod…
Which of the following is the most abundant class of antibody in the blood?
Which of the following is considered a primary lymphoid orga…
Which of the following is considered a primary lymphoid organ? Select ALL that apply.
Max is bitten by a rattlesnake while on a camping trip. His…
Max is bitten by a rattlesnake while on a camping trip. His friends immediately apply ice packs to the bitten area to slow the spread of the protein-based toxin; they then rush him to an emergency facility. What treatment would be given and why? Would this treatment provide immunity against future rattlesnake bites? Why or why not?
How are B cells activated? Select ALL that apply.
How are B cells activated? Select ALL that apply.
What is the importance of negative selection during lymphocy…
What is the importance of negative selection during lymphocyte maturation?