Tolerance to antigens is induced by ________.
A. stimulating helper T cell division
B. preventing suppressor T cell proliferation
C. stimulating interleukin 2 production
D. blocking costimulation
E. promoting the release of cytokines
Answer: D
You might also like to view...
Is a scientific principle taken as absolutely true? Explain your answer
What will be an ideal response?
Cytokinesis overlaps with which phase of mitosis?
A) Metaphase B) The S phase C) Prophase D) Interphase E) Telophase
Which blood vessels are direct branches of the left coronary artery?
a. circumflex and marginal arteries b. anterior and posterior interventricular arteries c. anterior interventricular and marginal arteries d. anterior interventricular and circumflex arteries e. posterior interventricular and marginal arteries
The most important chemical regulator of respiration is
A) oxygen. B) carbon dioxide. C) bicarbonate ion. D) sodium ion. E) hemoglobin.