Immunity Quiz (2) Biology AS Level
CIE
AS & A Level
Biology (9700)
فروردین
2010
شامل مباحث:
UNIT 11: Immunity
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه
پیش نمایش صفحه اول فایل
omer uner Which statements correctly describe lymphocytes?
1) Each B-lymphocyte has the ability to make several types of antibody molecules.
2) Some B-lymphocytes and T-lymphocytes become memory cells.
3) Plasma cells secrete antibodies into the blood plasma.
4) Some T-lymphocytes stimulate macrophages to kill infected cells.
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