Immunity Quiz (2) Biology AS Level
Cambridge
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 explain the differences between a primary and a secondary response to exposure to the same antigen?
1) The primary response is slow, because there are only a few B-lymphocytes that are specific to the antigen.
2) The secondary response is faster, because there are many memory cells specific to the antigen.
3) More antibodies are produced during the secondary response, because many of the memory cells differentiate into…
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