Which of the following is not true for a natural killer cell? A do not undergo rearrangement of receptor genes B develop in the thymus stimulated (activated) by IFN-a and other cytokines (D lack of NK cells can lead to severe viral infections Question 6 Represents innate immune system receptors A Randomly arranged B Germline encoded cross-reactive CLP encoded (E) is determined by specific carbohydrate groups

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